diff options
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.c | 34 | ||||
-rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt.h | 3 | ||||
-rw-r--r-- | drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c | 69 |
3 files changed, 103 insertions, 3 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index aa3a7dccd202..b9670debb990 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -5519,6 +5519,40 @@ static struct bnxt_l2_filter *bnxt_alloc_l2_filter(struct bnxt *bp, return fltr; } +struct bnxt_l2_filter *bnxt_alloc_new_l2_filter(struct bnxt *bp, + struct bnxt_l2_key *key, + u16 flags) +{ + struct bnxt_l2_filter *fltr; + u32 idx; + int rc; + + idx = jhash2(&key->filter_key, BNXT_L2_KEY_SIZE, bp->hash_seed) & + BNXT_L2_FLTR_HASH_MASK; + spin_lock_bh(&bp->ntp_fltr_lock); + fltr = __bnxt_lookup_l2_filter(bp, key, idx); + if (fltr) { + fltr = ERR_PTR(-EEXIST); + goto l2_filter_exit; + } + fltr = kzalloc(sizeof(*fltr), GFP_ATOMIC); + if (!fltr) { + fltr = ERR_PTR(-ENOMEM); + goto l2_filter_exit; + } + fltr->base.flags = flags; + rc = bnxt_init_l2_filter(bp, fltr, key, idx); + if (rc) { + spin_unlock_bh(&bp->ntp_fltr_lock); + bnxt_del_l2_filter(bp, fltr); + return ERR_PTR(rc); + } + +l2_filter_exit: + spin_unlock_bh(&bp->ntp_fltr_lock); + return fltr; +} + static u16 bnxt_vf_target_id(struct bnxt_pf_info *pf, u16 vf_idx) { #ifdef CONFIG_BNXT_SRIOV diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index 4bd1cf01d99e..21721b8748bc 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -2646,6 +2646,9 @@ int bnxt_hwrm_func_drv_rgtr(struct bnxt *bp, unsigned long *bmap, int bmap_size, bool async_only); int bnxt_hwrm_func_drv_unrgtr(struct bnxt *bp); void bnxt_del_l2_filter(struct bnxt *bp, struct bnxt_l2_filter *fltr); +struct bnxt_l2_filter *bnxt_alloc_new_l2_filter(struct bnxt *bp, + struct bnxt_l2_key *key, + u16 flags); int bnxt_hwrm_l2_filter_free(struct bnxt *bp, struct bnxt_l2_filter *fltr); int bnxt_hwrm_l2_filter_alloc(struct bnxt *bp, struct bnxt_l2_filter *fltr); int bnxt_hwrm_cfa_ntuple_filter_free(struct bnxt *bp, diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index 0effa87187ee..4ed1f9f77236 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -1152,6 +1152,58 @@ fltr_err: return rc; } +static int bnxt_add_l2_cls_rule(struct bnxt *bp, + struct ethtool_rx_flow_spec *fs) +{ + u32 ring = ethtool_get_flow_spec_ring(fs->ring_cookie); + u8 vf = ethtool_get_flow_spec_ring_vf(fs->ring_cookie); + struct ethhdr *h_ether = &fs->h_u.ether_spec; + struct ethhdr *m_ether = &fs->m_u.ether_spec; + struct bnxt_l2_filter *fltr; + struct bnxt_l2_key key; + u16 vnic_id; + u8 flags; + int rc; + + if (BNXT_CHIP_P5_PLUS(bp)) + return -EOPNOTSUPP; + + if (!is_broadcast_ether_addr(m_ether->h_dest)) + return -EINVAL; + ether_addr_copy(key.dst_mac_addr, h_ether->h_dest); + key.vlan = 0; + if (fs->flow_type & FLOW_EXT) { + struct ethtool_flow_ext *m_ext = &fs->m_ext; + struct ethtool_flow_ext *h_ext = &fs->h_ext; + + if (m_ext->vlan_tci != htons(0xfff) || !h_ext->vlan_tci) + return -EINVAL; + key.vlan = ntohs(h_ext->vlan_tci); + } + + if (vf) { + flags = BNXT_ACT_FUNC_DST; + vnic_id = 0xffff; + vf--; + } else { + flags = BNXT_ACT_RING_DST; + vnic_id = bp->vnic_info[ring + 1].fw_vnic_id; + } + fltr = bnxt_alloc_new_l2_filter(bp, &key, flags); + if (IS_ERR(fltr)) + return PTR_ERR(fltr); + + fltr->base.fw_vnic_id = vnic_id; + fltr->base.rxq = ring; + fltr->base.vf_idx = vf; + rc = bnxt_hwrm_l2_filter_alloc(bp, fltr); + if (rc) + bnxt_del_l2_filter(bp, fltr); + else + fs->location = fltr->base.sw_id; + return rc; +} + #define IPV4_ALL_MASK ((__force __be32)~0) #define L4_PORT_ALL_MASK ((__force __be16)~0) @@ -1335,7 +1387,7 @@ static int bnxt_srxclsrlins(struct bnxt *bp, struct ethtool_rxnfc *cmd) return -EINVAL; flow_type &= ~FLOW_EXT; if (flow_type == ETHER_FLOW) - rc = -EOPNOTSUPP; + rc = bnxt_add_l2_cls_rule(bp, fs); else rc = bnxt_add_ntuple_cls_rule(bp, fs); return rc; @@ -1346,11 +1398,22 @@ static int bnxt_srxclsrldel(struct bnxt *bp, struct ethtool_rxnfc *cmd) struct ethtool_rx_flow_spec *fs = &cmd->fs; struct bnxt_filter_base *fltr_base; struct bnxt_ntuple_filter *fltr; + u32 id = fs->location; rcu_read_lock(); + fltr_base = bnxt_get_one_fltr_rcu(bp, bp->l2_fltr_hash_tbl, + BNXT_L2_FLTR_HASH_SIZE, id); + if (fltr_base) { + struct bnxt_l2_filter *l2_fltr; + + l2_fltr = container_of(fltr_base, struct bnxt_l2_filter, base); + rcu_read_unlock(); + bnxt_hwrm_l2_filter_free(bp, l2_fltr); + bnxt_del_l2_filter(bp, l2_fltr); + return 0; + } fltr_base = bnxt_get_one_fltr_rcu(bp, bp->ntp_fltr_hash_tbl, - BNXT_NTP_FLTR_HASH_SIZE, - fs->location); + BNXT_NTP_FLTR_HASH_SIZE, id); if (!fltr_base) { rcu_read_unlock(); return -ENOENT; |