diff options
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/flower/action.c')
-rw-r--r-- | drivers/net/ethernet/netronome/nfp/flower/action.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/flower/action.c b/drivers/net/ethernet/netronome/nfp/flower/action.c index 631ea4b7d08e..2f886a529ee4 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/action.c +++ b/drivers/net/ethernet/netronome/nfp/flower/action.c @@ -266,14 +266,53 @@ nfp_fl_set_eth(const struct tc_action *action, int idx, u32 off, } static int +nfp_fl_set_ip4(const struct tc_action *action, int idx, u32 off, + struct nfp_fl_set_ip4_addrs *set_ip_addr) +{ + u16 tmp_set_ipv4_op; + __be32 exact, mask; + + /* We are expecting tcf_pedit to return a big endian value */ + mask = (__force __be32)~tcf_pedit_mask(action, idx); + exact = (__force __be32)tcf_pedit_val(action, idx); + + if (exact & ~mask) + return -EOPNOTSUPP; + + switch (off) { + case offsetof(struct iphdr, daddr): + set_ip_addr->ipv4_dst_mask = mask; + set_ip_addr->ipv4_dst = exact; + break; + case offsetof(struct iphdr, saddr): + set_ip_addr->ipv4_src_mask = mask; + set_ip_addr->ipv4_src = exact; + break; + default: + return -EOPNOTSUPP; + } + + set_ip_addr->reserved = cpu_to_be16(0); + tmp_set_ipv4_op = FIELD_PREP(NFP_FL_ACT_LEN_LW, + sizeof(*set_ip_addr) >> NFP_FL_LW_SIZ) | + FIELD_PREP(NFP_FL_ACT_JMP_ID, + NFP_FL_ACTION_OPCODE_SET_IPV4_ADDRS); + set_ip_addr->a_op = cpu_to_be16(tmp_set_ipv4_op); + + return 0; +} + +static int nfp_fl_pedit(const struct tc_action *action, char *nfp_action, int *a_len) { + struct nfp_fl_set_ip4_addrs set_ip_addr; struct nfp_fl_set_eth set_eth; enum pedit_header_type htype; int idx, nkeys, err; size_t act_size; u32 offset, cmd; + memset(&set_ip_addr, 0, sizeof(set_ip_addr)); memset(&set_eth, 0, sizeof(set_eth)); nkeys = tcf_pedit_nkeys(action); @@ -289,6 +328,9 @@ nfp_fl_pedit(const struct tc_action *action, char *nfp_action, int *a_len) case TCA_PEDIT_KEY_EX_HDR_TYPE_ETH: err = nfp_fl_set_eth(action, idx, offset, &set_eth); break; + case TCA_PEDIT_KEY_EX_HDR_TYPE_IP4: + err = nfp_fl_set_ip4(action, idx, offset, &set_ip_addr); + break; default: return -EOPNOTSUPP; } @@ -300,6 +342,10 @@ nfp_fl_pedit(const struct tc_action *action, char *nfp_action, int *a_len) act_size = sizeof(set_eth); memcpy(nfp_action, &set_eth, act_size); *a_len += act_size; + } else if (set_ip_addr.a_op) { + act_size = sizeof(set_ip_addr); + memcpy(nfp_action, &set_ip_addr, act_size); + *a_len += act_size; } return 0; |