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nfp: add set tcp and udp header action flower offload
Previously we did not have offloading support for set TCP/UDP actions. This patch enables TC flower offload of set TCP/UDP sport and dport actions. Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -347,11 +347,40 @@ nfp_fl_set_ip6(const struct tc_action *action, int idx, u32 off,
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return 0;
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return 0;
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}
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}
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static int
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nfp_fl_set_tport(const struct tc_action *action, int idx, u32 off,
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struct nfp_fl_set_tport *set_tport, int opcode)
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{
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u32 exact, mask;
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u16 tmp_set_op;
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if (off)
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return -EOPNOTSUPP;
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mask = ~tcf_pedit_mask(action, idx);
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exact = tcf_pedit_val(action, idx);
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if (exact & ~mask)
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return -EOPNOTSUPP;
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nfp_fl_set_helper32(exact, mask, set_tport->tp_port_val,
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set_tport->tp_port_mask);
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set_tport->reserved = cpu_to_be16(0);
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tmp_set_op = FIELD_PREP(NFP_FL_ACT_LEN_LW,
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sizeof(*set_tport) >> NFP_FL_LW_SIZ);
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tmp_set_op |= FIELD_PREP(NFP_FL_ACT_JMP_ID, opcode);
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set_tport->a_op = cpu_to_be16(tmp_set_op);
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return 0;
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}
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static int
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static int
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nfp_fl_pedit(const struct tc_action *action, char *nfp_action, int *a_len)
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nfp_fl_pedit(const struct tc_action *action, char *nfp_action, int *a_len)
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{
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{
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struct nfp_fl_set_ipv6_addr set_ip6_dst, set_ip6_src;
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struct nfp_fl_set_ipv6_addr set_ip6_dst, set_ip6_src;
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struct nfp_fl_set_ip4_addrs set_ip_addr;
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struct nfp_fl_set_ip4_addrs set_ip_addr;
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struct nfp_fl_set_tport set_tport;
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struct nfp_fl_set_eth set_eth;
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struct nfp_fl_set_eth set_eth;
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enum pedit_header_type htype;
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enum pedit_header_type htype;
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int idx, nkeys, err;
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int idx, nkeys, err;
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@ -361,6 +390,7 @@ nfp_fl_pedit(const struct tc_action *action, char *nfp_action, int *a_len)
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memset(&set_ip6_dst, 0, sizeof(set_ip6_dst));
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memset(&set_ip6_dst, 0, sizeof(set_ip6_dst));
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memset(&set_ip6_src, 0, sizeof(set_ip6_src));
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memset(&set_ip6_src, 0, sizeof(set_ip6_src));
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memset(&set_ip_addr, 0, sizeof(set_ip_addr));
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memset(&set_ip_addr, 0, sizeof(set_ip_addr));
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memset(&set_tport, 0, sizeof(set_tport));
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memset(&set_eth, 0, sizeof(set_eth));
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memset(&set_eth, 0, sizeof(set_eth));
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nkeys = tcf_pedit_nkeys(action);
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nkeys = tcf_pedit_nkeys(action);
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@ -383,6 +413,14 @@ nfp_fl_pedit(const struct tc_action *action, char *nfp_action, int *a_len)
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err = nfp_fl_set_ip6(action, idx, offset, &set_ip6_dst,
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err = nfp_fl_set_ip6(action, idx, offset, &set_ip6_dst,
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&set_ip6_src);
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&set_ip6_src);
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break;
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break;
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case TCA_PEDIT_KEY_EX_HDR_TYPE_TCP:
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err = nfp_fl_set_tport(action, idx, offset, &set_tport,
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NFP_FL_ACTION_OPCODE_SET_TCP);
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break;
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case TCA_PEDIT_KEY_EX_HDR_TYPE_UDP:
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err = nfp_fl_set_tport(action, idx, offset, &set_tport,
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NFP_FL_ACTION_OPCODE_SET_UDP);
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break;
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default:
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default:
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return -EOPNOTSUPP;
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return -EOPNOTSUPP;
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}
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}
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@ -418,6 +456,10 @@ nfp_fl_pedit(const struct tc_action *action, char *nfp_action, int *a_len)
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act_size = sizeof(set_ip6_src);
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act_size = sizeof(set_ip6_src);
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memcpy(nfp_action, &set_ip6_src, act_size);
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memcpy(nfp_action, &set_ip6_src, act_size);
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*a_len += act_size;
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*a_len += act_size;
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} else if (set_tport.a_op) {
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act_size = sizeof(set_tport);
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memcpy(nfp_action, &set_tport, act_size);
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*a_len += act_size;
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}
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}
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return 0;
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return 0;
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@ -81,6 +81,8 @@
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#define NFP_FL_ACTION_OPCODE_SET_IPV4_ADDRS 9
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#define NFP_FL_ACTION_OPCODE_SET_IPV4_ADDRS 9
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#define NFP_FL_ACTION_OPCODE_SET_IPV6_SRC 11
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#define NFP_FL_ACTION_OPCODE_SET_IPV6_SRC 11
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#define NFP_FL_ACTION_OPCODE_SET_IPV6_DST 12
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#define NFP_FL_ACTION_OPCODE_SET_IPV6_DST 12
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#define NFP_FL_ACTION_OPCODE_SET_UDP 14
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#define NFP_FL_ACTION_OPCODE_SET_TCP 15
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#define NFP_FL_ACTION_OPCODE_PRE_TUNNEL 17
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#define NFP_FL_ACTION_OPCODE_PRE_TUNNEL 17
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#define NFP_FL_ACTION_OPCODE_NUM 32
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#define NFP_FL_ACTION_OPCODE_NUM 32
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@ -136,6 +138,13 @@ struct nfp_fl_set_ipv6_addr {
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} ipv6[4];
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} ipv6[4];
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};
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};
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struct nfp_fl_set_tport {
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__be16 a_op;
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__be16 reserved;
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u8 tp_port_mask[4];
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u8 tp_port_val[4];
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};
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struct nfp_fl_output {
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struct nfp_fl_output {
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__be16 a_op;
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__be16 a_op;
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__be16 flags;
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__be16 flags;
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