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bnxt_en: Implement .set_port / .unset_port UDP tunnel callbacks

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[ Upstream commit 1eb4ef1259 ]

As per the new udp tunnel framework, drivers which need to know the
details of a port entry (i.e. port type) when it gets deleted should
use the .set_port / .unset_port callbacks.

Implementing the current .udp_tunnel_sync callback would mean that the
deleted tunnel port entry would be all zeros.  This used to work on
older firmware because it would not check the input when deleting a
tunnel port.  With newer firmware, the delete will now fail and
subsequent tunnel port allocation will fail as a result.

Fixes: 442a35a5a7 ("bnxt: convert to new udp_tunnel_nic infra")
Reviewed-by: Kalesh Anakkur Purayil <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Somnath Kotur <somnath.kotur@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Somnath Kotur 2023-06-07 00:54:09 -07:00 committed by Greg Kroah-Hartman
parent abc7062313
commit f9b9c84696
1 changed files with 18 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
drivers/net/ethernet/broadcom/bnxt/bnxt.c
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@ -13008,26 +13008,37 @@ static void bnxt_cfg_ntp_filters(struct bnxt *bp)
#endif /* CONFIG_RFS_ACCEL */
static int bnxt_udp_tunnel_sync(struct net_device *netdev, unsigned int table)
static int bnxt_udp_tunnel_set_port(struct net_device *netdev, unsigned int table,
unsigned int entry, struct udp_tunnel_info *ti)
{
struct bnxt *bp = netdev_priv(netdev);
struct udp_tunnel_info ti;
unsigned int cmd;
udp_tunnel_nic_get_port(netdev, table, 0, &ti);
if (ti.type == UDP_TUNNEL_TYPE_VXLAN)
if (ti->type == UDP_TUNNEL_TYPE_VXLAN)
cmd = TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_VXLAN;
else
cmd = TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_GENEVE;
if (ti.port)
return bnxt_hwrm_tunnel_dst_port_alloc(bp, ti.port, cmd);
return bnxt_hwrm_tunnel_dst_port_alloc(bp, ti->port, cmd);
}
static int bnxt_udp_tunnel_unset_port(struct net_device *netdev, unsigned int table,
unsigned int entry, struct udp_tunnel_info *ti)
{
struct bnxt *bp = netdev_priv(netdev);
unsigned int cmd;
if (ti->type == UDP_TUNNEL_TYPE_VXLAN)
cmd = TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_VXLAN;
else
cmd = TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_GENEVE;
return bnxt_hwrm_tunnel_dst_port_free(bp, cmd);
}
static const struct udp_tunnel_nic_info bnxt_udp_tunnels = {
.sync_table = bnxt_udp_tunnel_sync,
.set_port = bnxt_udp_tunnel_set_port,
.unset_port = bnxt_udp_tunnel_unset_port,
.flags = UDP_TUNNEL_NIC_INFO_MAY_SLEEP |
UDP_TUNNEL_NIC_INFO_OPEN_ONLY,
.tables = {