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https://github.com/edk2-porting/linux-next.git
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bnx2x: Add ndo_get_phys_port_id support
Each network interface (either PF or VF) is identified by its port's MAC id. Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yuval Mintz
David S. Miller
parent
c2bb06db59
commit
3d7d562ca4
@ -1546,6 +1546,7 @@ struct bnx2x {
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#define IS_VF_FLAG (1 << 22)
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#define INTERRUPTS_ENABLED_FLAG (1 << 23)
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#define BC_SUPPORTS_RMMOD_CMD (1 << 24)
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#define HAS_PHYS_PORT_ID (1 << 25)
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#define BP_NOMCP(bp) ((bp)->flags & NO_MCP_FLAG)
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@ -1876,6 +1877,8 @@ struct bnx2x {
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u32 dump_preset_idx;
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bool stats_started;
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struct semaphore stats_sema;
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u8 phys_port_id[ETH_ALEN];
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};
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/* Tx queues may be less or equal to Rx queues */
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@ -11149,6 +11149,14 @@ static void bnx2x_get_mac_hwinfo(struct bnx2x *bp)
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bnx2x_get_cnic_mac_hwinfo(bp);
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}
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if (!BP_NOMCP(bp)) {
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/* Read physical port identifier from shmem */
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val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper);
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val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower);
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bnx2x_set_mac_buf(bp->phys_port_id, val, val2);
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bp->flags |= HAS_PHYS_PORT_ID;
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}
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memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN);
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if (!bnx2x_is_valid_ether_addr(bp, bp->dev->dev_addr))
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@ -12044,6 +12052,20 @@ static int bnx2x_validate_addr(struct net_device *dev)
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return 0;
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}
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static int bnx2x_get_phys_port_id(struct net_device *netdev,
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struct netdev_phys_port_id *ppid)
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{
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struct bnx2x *bp = netdev_priv(netdev);
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if (!(bp->flags & HAS_PHYS_PORT_ID))
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return -EOPNOTSUPP;
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ppid->id_len = sizeof(bp->phys_port_id);
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memcpy(ppid->id, bp->phys_port_id, ppid->id_len);
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return 0;
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}
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static const struct net_device_ops bnx2x_netdev_ops = {
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.ndo_open = bnx2x_open,
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.ndo_stop = bnx2x_close,
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@ -12073,6 +12095,7 @@ static const struct net_device_ops bnx2x_netdev_ops = {
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#ifdef CONFIG_NET_RX_BUSY_POLL
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.ndo_busy_poll = bnx2x_low_latency_recv,
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#endif
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.ndo_get_phys_port_id = bnx2x_get_phys_port_id,
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};
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static int bnx2x_set_coherency_mask(struct bnx2x *bp)
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@ -60,6 +60,30 @@ void bnx2x_vfpf_finalize(struct bnx2x *bp, struct vfpf_first_tlv *first_tlv)
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mutex_unlock(&bp->vf2pf_mutex);
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}
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/* Finds a TLV by type in a TLV buffer; If found, returns pointer to the TLV */
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static void *bnx2x_search_tlv_list(struct bnx2x *bp, void *tlvs_list,
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enum channel_tlvs req_tlv)
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{
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struct channel_tlv *tlv = (struct channel_tlv *)tlvs_list;
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do {
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if (tlv->type == req_tlv)
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return tlv;
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if (!tlv->length) {
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BNX2X_ERR("Found TLV with length 0\n");
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return NULL;
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}
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tlvs_list += tlv->length;
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tlv = (struct channel_tlv *)tlvs_list;
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} while (tlv->type != CHANNEL_TLV_LIST_END);
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DP(BNX2X_MSG_IOV, "TLV list does not contain %d TLV\n", req_tlv);
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return NULL;
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}
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/* list the types and lengths of the tlvs on the buffer */
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void bnx2x_dp_tlv_list(struct bnx2x *bp, void *tlvs_list)
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{
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@ -196,6 +220,7 @@ int bnx2x_vfpf_acquire(struct bnx2x *bp, u8 tx_count, u8 rx_count)
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int rc = 0, attempts = 0;
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struct vfpf_acquire_tlv *req = &bp->vf2pf_mbox->req.acquire;
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struct pfvf_acquire_resp_tlv *resp = &bp->vf2pf_mbox->resp.acquire_resp;
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struct vfpf_port_phys_id_resp_tlv *phys_port_resp;
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u32 vf_id;
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bool resources_acquired = false;
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@ -219,8 +244,14 @@ int bnx2x_vfpf_acquire(struct bnx2x *bp, u8 tx_count, u8 rx_count)
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/* pf 2 vf bulletin board address */
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req->bulletin_addr = bp->pf2vf_bulletin_mapping;
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/* Request physical port identifier */
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bnx2x_add_tlv(bp, req, req->first_tlv.tl.length,
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CHANNEL_TLV_PHYS_PORT_ID, sizeof(struct channel_tlv));
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/* add list termination tlv */
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bnx2x_add_tlv(bp, req, req->first_tlv.tl.length, CHANNEL_TLV_LIST_END,
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bnx2x_add_tlv(bp, req,
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req->first_tlv.tl.length + sizeof(struct channel_tlv),
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CHANNEL_TLV_LIST_END,
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sizeof(struct channel_list_end_tlv));
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/* output tlvs list */
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@ -287,6 +318,15 @@ int bnx2x_vfpf_acquire(struct bnx2x *bp, u8 tx_count, u8 rx_count)
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}
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}
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/* Retrieve physical port id (if possible) */
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phys_port_resp = (struct vfpf_port_phys_id_resp_tlv *)
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bnx2x_search_tlv_list(bp, resp,
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CHANNEL_TLV_PHYS_PORT_ID);
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if (phys_port_resp) {
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memcpy(bp->phys_port_id, phys_port_resp->id, ETH_ALEN);
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bp->flags |= HAS_PHYS_PORT_ID;
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}
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/* get HW info */
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bp->common.chip_id |= (bp->acquire_resp.pfdev_info.chip_num & 0xffff);
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bp->link_params.chip_id = bp->common.chip_id;
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@ -983,53 +1023,59 @@ static int bnx2x_copy32_vf_dmae(struct bnx2x *bp, u8 from_vf,
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return bnx2x_issue_dmae_with_comp(bp, &dmae);
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}
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static void bnx2x_vf_mbx_resp(struct bnx2x *bp, struct bnx2x_virtf *vf)
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static void bnx2x_vf_mbx_resp_single_tlv(struct bnx2x *bp,
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struct bnx2x_virtf *vf)
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{
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struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index);
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u64 vf_addr;
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dma_addr_t pf_addr;
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u16 length, type;
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int rc;
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struct pfvf_general_resp_tlv *resp = &mbx->msg->resp.general_resp;
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/* prepare response */
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type = mbx->first_tlv.tl.type;
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length = type == CHANNEL_TLV_ACQUIRE ?
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sizeof(struct pfvf_acquire_resp_tlv) :
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sizeof(struct pfvf_general_resp_tlv);
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bnx2x_add_tlv(bp, resp, 0, type, length);
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resp->hdr.status = bnx2x_pfvf_status_codes(vf->op_rc);
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bnx2x_add_tlv(bp, resp, length, CHANNEL_TLV_LIST_END,
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bnx2x_add_tlv(bp, &mbx->msg->resp, 0, type, length);
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bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END,
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sizeof(struct channel_list_end_tlv));
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}
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static void bnx2x_vf_mbx_resp_send_msg(struct bnx2x *bp,
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struct bnx2x_virtf *vf)
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{
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struct bnx2x_vf_mbx *mbx = BP_VF_MBX(bp, vf->index);
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struct pfvf_general_resp_tlv *resp = &mbx->msg->resp.general_resp;
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dma_addr_t pf_addr;
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u64 vf_addr;
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int rc;
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bnx2x_dp_tlv_list(bp, resp);
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DP(BNX2X_MSG_IOV, "mailbox vf address hi 0x%x, lo 0x%x, offset 0x%x\n",
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mbx->vf_addr_hi, mbx->vf_addr_lo, mbx->first_tlv.resp_msg_offset);
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resp->hdr.status = bnx2x_pfvf_status_codes(vf->op_rc);
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/* send response */
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vf_addr = HILO_U64(mbx->vf_addr_hi, mbx->vf_addr_lo) +
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mbx->first_tlv.resp_msg_offset;
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pf_addr = mbx->msg_mapping +
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offsetof(struct bnx2x_vf_mbx_msg, resp);
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/* copy the response body, if there is one, before the header, as the vf
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* is sensitive to the header being written
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/* Copy the response buffer. The first u64 is written afterwards, as
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* the vf is sensitive to the header being written
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*/
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if (resp->hdr.tl.length > sizeof(u64)) {
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length = resp->hdr.tl.length - sizeof(u64);
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vf_addr += sizeof(u64);
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pf_addr += sizeof(u64);
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rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid,
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U64_HI(vf_addr),
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U64_LO(vf_addr),
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length/4);
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if (rc) {
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BNX2X_ERR("Failed to copy response body to VF %d\n",
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vf->abs_vfid);
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goto mbx_error;
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}
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vf_addr -= sizeof(u64);
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pf_addr -= sizeof(u64);
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vf_addr += sizeof(u64);
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pf_addr += sizeof(u64);
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rc = bnx2x_copy32_vf_dmae(bp, false, pf_addr, vf->abs_vfid,
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U64_HI(vf_addr),
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U64_LO(vf_addr),
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(sizeof(union pfvf_tlvs) - sizeof(u64))/4);
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if (rc) {
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BNX2X_ERR("Failed to copy response body to VF %d\n",
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vf->abs_vfid);
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goto mbx_error;
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}
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vf_addr -= sizeof(u64);
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pf_addr -= sizeof(u64);
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/* ack the FW */
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storm_memset_vf_mbx_ack(bp, vf->abs_vfid);
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@ -1060,6 +1106,36 @@ mbx_error:
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bnx2x_vf_release(bp, vf, false); /* non blocking */
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}
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static void bnx2x_vf_mbx_resp(struct bnx2x *bp,
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struct bnx2x_virtf *vf)
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{
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bnx2x_vf_mbx_resp_single_tlv(bp, vf);
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bnx2x_vf_mbx_resp_send_msg(bp, vf);
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}
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static void bnx2x_vf_mbx_resp_phys_port(struct bnx2x *bp,
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struct bnx2x_virtf *vf,
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void *buffer,
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u16 *offset)
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{
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struct vfpf_port_phys_id_resp_tlv *port_id;
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if (!(bp->flags & HAS_PHYS_PORT_ID))
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return;
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bnx2x_add_tlv(bp, buffer, *offset, CHANNEL_TLV_PHYS_PORT_ID,
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sizeof(struct vfpf_port_phys_id_resp_tlv));
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port_id = (struct vfpf_port_phys_id_resp_tlv *)
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(((u8 *)buffer) + *offset);
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memcpy(port_id->id, bp->phys_port_id, ETH_ALEN);
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/* Offset should continue representing the offset to the tail
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* of TLV data (outside this function scope)
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*/
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*offset += sizeof(struct vfpf_port_phys_id_resp_tlv);
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}
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static void bnx2x_vf_mbx_acquire_resp(struct bnx2x *bp, struct bnx2x_virtf *vf,
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struct bnx2x_vf_mbx *mbx, int vfop_status)
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{
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@ -1067,6 +1143,7 @@ static void bnx2x_vf_mbx_acquire_resp(struct bnx2x *bp, struct bnx2x_virtf *vf,
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struct pfvf_acquire_resp_tlv *resp = &mbx->msg->resp.acquire_resp;
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struct pf_vf_resc *resc = &resp->resc;
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u8 status = bnx2x_pfvf_status_codes(vfop_status);
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u16 length;
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memset(resp, 0, sizeof(*resp));
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@ -1140,9 +1217,24 @@ static void bnx2x_vf_mbx_acquire_resp(struct bnx2x *bp, struct bnx2x_virtf *vf,
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resc->hw_sbs[i].sb_qid);
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DP_CONT(BNX2X_MSG_IOV, "]\n");
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/* prepare response */
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length = sizeof(struct pfvf_acquire_resp_tlv);
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bnx2x_add_tlv(bp, &mbx->msg->resp, 0, CHANNEL_TLV_ACQUIRE, length);
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/* Handle possible VF requests for physical port identifiers.
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* 'length' should continue to indicate the offset of the first empty
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* place in the buffer (i.e., where next TLV should be inserted)
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*/
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if (bnx2x_search_tlv_list(bp, &mbx->msg->req,
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CHANNEL_TLV_PHYS_PORT_ID))
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bnx2x_vf_mbx_resp_phys_port(bp, vf, &mbx->msg->resp, &length);
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bnx2x_add_tlv(bp, &mbx->msg->resp, length, CHANNEL_TLV_LIST_END,
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sizeof(struct channel_list_end_tlv));
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/* send the response */
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vf->op_rc = vfop_status;
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bnx2x_vf_mbx_resp(bp, vf);
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bnx2x_vf_mbx_resp_send_msg(bp, vf);
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}
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static void bnx2x_vf_mbx_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf,
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@ -1874,6 +1966,9 @@ void bnx2x_vf_mbx(struct bnx2x *bp, struct vf_pf_event_data *vfpf_event)
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/* process the VF message header */
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mbx->first_tlv = mbx->msg->req.first_tlv;
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/* Clean response buffer to refrain from falsely seeing chains */
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memset(&mbx->msg->resp, 0, sizeof(union pfvf_tlvs));
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/* dispatch the request (will prepare the response) */
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bnx2x_vf_mbx_request(bp, vf, mbx);
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goto mbx_done;
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@ -188,6 +188,12 @@ struct pfvf_acquire_resp_tlv {
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} resc;
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};
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struct vfpf_port_phys_id_resp_tlv {
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struct channel_tlv tl;
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u8 id[ETH_ALEN];
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u8 padding[2];
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};
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#define VFPF_INIT_FLG_STATS_COALESCE (1 << 0) /* when set the VFs queues
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* stats will be coalesced on
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* the leading RSS queue
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@ -398,6 +404,7 @@ enum channel_tlvs {
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CHANNEL_TLV_PF_SET_MAC,
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CHANNEL_TLV_PF_SET_VLAN,
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CHANNEL_TLV_UPDATE_RSS,
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CHANNEL_TLV_PHYS_PORT_ID,
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CHANNEL_TLV_MAX
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};
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