diff options
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/flower/action.c')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/flower/action.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/flower/action.c b/drivers/net/ethernet/netronome/nfp/flower/action.c index 7f288ae4052b..ff2f419ae352 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/action.c +++ b/drivers/net/ethernet/netronome/nfp/flower/action.c @@ -70,6 +70,37 @@ nfp_fl_pop_mpls(struct nfp_fl_pop_mpls *pop_mpls, pop_mpls->ethtype = act->mpls_pop.proto; } +static void +nfp_fl_set_mpls(struct nfp_fl_set_mpls *set_mpls, + const struct flow_action_entry *act) +{ + size_t act_size = sizeof(struct nfp_fl_set_mpls); + u32 mpls_lse = 0, mpls_mask = 0; + + set_mpls->head.jump_id = NFP_FL_ACTION_OPCODE_SET_MPLS; + set_mpls->head.len_lw = act_size >> NFP_FL_LW_SIZ; + + if (act->mpls_mangle.label != ACT_MPLS_LABEL_NOT_SET) { + mpls_lse |= act->mpls_mangle.label << MPLS_LS_LABEL_SHIFT; + mpls_mask |= MPLS_LS_LABEL_MASK; + } + if (act->mpls_mangle.tc != ACT_MPLS_TC_NOT_SET) { + mpls_lse |= act->mpls_mangle.tc << MPLS_LS_TC_SHIFT; + mpls_mask |= MPLS_LS_TC_MASK; + } + if (act->mpls_mangle.bos != ACT_MPLS_BOS_NOT_SET) { + mpls_lse |= act->mpls_mangle.bos << MPLS_LS_S_SHIFT; + mpls_mask |= MPLS_LS_S_MASK; + } + if (act->mpls_mangle.ttl) { + mpls_lse |= act->mpls_mangle.ttl << MPLS_LS_TTL_SHIFT; + mpls_mask |= MPLS_LS_TTL_MASK; + } + + set_mpls->lse = cpu_to_be32(mpls_lse); + set_mpls->lse_mask = cpu_to_be32(mpls_mask); +} + static void nfp_fl_pop_vlan(struct nfp_fl_pop_vlan *pop_vlan) { size_t act_size = sizeof(struct nfp_fl_pop_vlan); @@ -917,6 +948,7 @@ nfp_flower_loop_action(struct nfp_app *app, const struct flow_action_entry *act, struct nfp_fl_push_mpls *psh_m; struct nfp_fl_pop_vlan *pop_v; struct nfp_fl_pop_mpls *pop_m; + struct nfp_fl_set_mpls *set_m; int err; switch (act->id) { @@ -1050,6 +1082,19 @@ nfp_flower_loop_action(struct nfp_app *app, const struct flow_action_entry *act, nfp_fl_pop_mpls(pop_m, act); *a_len += sizeof(struct nfp_fl_pop_mpls); break; + case FLOW_ACTION_MPLS_MANGLE: + if (*a_len + + sizeof(struct nfp_fl_set_mpls) > NFP_FL_MAX_A_SIZ) { + NL_SET_ERR_MSG_MOD(extack, "unsupported offload: maximum allowed action list size exceeded at set MPLS"); + return -EOPNOTSUPP; + } + + set_m = (struct nfp_fl_set_mpls *)&nfp_fl->action_data[*a_len]; + nfp_fl->meta.shortcut = cpu_to_be32(NFP_FL_SC_ACT_NULL); + + nfp_fl_set_mpls(set_m, act); + *a_len += sizeof(struct nfp_fl_set_mpls); + break; default: /* Currently we do not handle any other actions. */ NL_SET_ERR_MSG_MOD(extack, "unsupported offload: unsupported action in action list"); |