diff options
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e.h | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_ethtool.c | 10 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_main.c | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/intel/i40e/i40e_txrx.c | 80 |
4 files changed, 93 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h index 72c4a740b432..3133a1a8b8b3 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -377,6 +377,7 @@ struct i40e_pf { */ u16 fd_tcp4_filter_cnt; u16 fd_udp4_filter_cnt; + u16 fd_sctp4_filter_cnt; u16 fd_ip4_filter_cnt; /* Flexible filter table values that need to be programmed into diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c index 93b7854c220d..8fac124ebcb5 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c +++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c @@ -2509,6 +2509,9 @@ static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf, fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip; switch (rule->flow_type) { + case SCTP_V4_FLOW: + index = I40E_FILTER_PCTYPE_NONF_IPV4_SCTP; + break; case TCP_V4_FLOW: index = I40E_FILTER_PCTYPE_NONF_IPV4_TCP; break; @@ -3336,6 +3339,10 @@ static int i40e_check_fdir_input_set(struct i40e_vsi *vsi, int err; switch (fsp->flow_type & ~FLOW_EXT) { + case SCTP_V4_FLOW: + index = I40E_FILTER_PCTYPE_NONF_IPV4_SCTP; + fdir_filter_count = &pf->fd_sctp4_filter_cnt; + break; case TCP_V4_FLOW: index = I40E_FILTER_PCTYPE_NONF_IPV4_TCP; fdir_filter_count = &pf->fd_tcp4_filter_cnt; @@ -3367,6 +3374,9 @@ static int i40e_check_fdir_input_set(struct i40e_vsi *vsi, * ip4dst fields. */ switch (fsp->flow_type & ~FLOW_EXT) { + case SCTP_V4_FLOW: + new_mask &= ~I40E_VERIFY_TAG_MASK; + /* Fall through */ case TCP_V4_FLOW: case UDP_V4_FLOW: tcp_ip4_spec = &fsp->m_u.tcp_ip4_spec; diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 7f8b929c90bf..114481b67ad8 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -3286,6 +3286,7 @@ static void i40e_fdir_filter_restore(struct i40e_vsi *vsi) /* Reset FDir counters as we're replaying all existing filters */ pf->fd_tcp4_filter_cnt = 0; pf->fd_udp4_filter_cnt = 0; + pf->fd_sctp4_filter_cnt = 0; pf->fd_ip4_filter_cnt = 0; hlist_for_each_entry_safe(filter, node, @@ -5771,6 +5772,7 @@ static void i40e_fdir_filter_exit(struct i40e_pf *pf) pf->fdir_pf_active_filters = 0; pf->fd_tcp4_filter_cnt = 0; pf->fd_udp4_filter_cnt = 0; + pf->fd_sctp4_filter_cnt = 0; pf->fd_ip4_filter_cnt = 0; /* Reprogram the default input set for TCP/IPv4 */ diff --git a/drivers/net/ethernet/intel/i40e/i40e_txrx.c b/drivers/net/ethernet/intel/i40e/i40e_txrx.c index 855ae1e359df..0ca307a6c731 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_txrx.c +++ b/drivers/net/ethernet/intel/i40e/i40e_txrx.c @@ -346,6 +346,80 @@ static int i40e_add_del_fdir_tcpv4(struct i40e_vsi *vsi, return 0; } +#define I40E_SCTPIP_DUMMY_PACKET_LEN 46 +/** + * i40e_add_del_fdir_sctpv4 - Add/Remove SCTPv4 Flow Director filters for + * a specific flow spec + * @vsi: pointer to the targeted VSI + * @fd_data: the flow director data required for the FDir descriptor + * @add: true adds a filter, false removes it + * + * Returns 0 if the filters were successfully added or removed + **/ +static int i40e_add_del_fdir_sctpv4(struct i40e_vsi *vsi, + struct i40e_fdir_filter *fd_data, + bool add) +{ + struct i40e_pf *pf = vsi->back; + struct sctphdr *sctp; + struct iphdr *ip; + u8 *raw_packet; + int ret; + /* Dummy packet */ + static char packet[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x08, 0, + 0x45, 0, 0, 0x20, 0, 0, 0x40, 0, 0x40, 0x84, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; + + raw_packet = kzalloc(I40E_FDIR_MAX_RAW_PACKET_SIZE, GFP_KERNEL); + if (!raw_packet) + return -ENOMEM; + memcpy(raw_packet, packet, I40E_SCTPIP_DUMMY_PACKET_LEN); + + ip = (struct iphdr *)(raw_packet + IP_HEADER_OFFSET); + sctp = (struct sctphdr *)(raw_packet + IP_HEADER_OFFSET + + sizeof(struct iphdr)); + + ip->daddr = fd_data->dst_ip; + sctp->dest = fd_data->dst_port; + ip->saddr = fd_data->src_ip; + sctp->source = fd_data->src_port; + + if (fd_data->flex_filter) { + u8 *payload = raw_packet + I40E_SCTPIP_DUMMY_PACKET_LEN; + __be16 pattern = fd_data->flex_word; + u16 off = fd_data->flex_offset; + + *((__force __be16 *)(payload + off)) = pattern; + } + + fd_data->pctype = I40E_FILTER_PCTYPE_NONF_IPV4_SCTP; + ret = i40e_program_fdir_filter(fd_data, raw_packet, pf, add); + if (ret) { + dev_info(&pf->pdev->dev, + "PCTYPE:%d, Filter command send failed for fd_id:%d (ret = %d)\n", + fd_data->pctype, fd_data->fd_id, ret); + /* Free the packet buffer since it wasn't added to the ring */ + kfree(raw_packet); + return -EOPNOTSUPP; + } else if (I40E_DEBUG_FD & pf->hw.debug_mask) { + if (add) + dev_info(&pf->pdev->dev, + "Filter OK for PCTYPE %d loc = %d\n", + fd_data->pctype, fd_data->fd_id); + else + dev_info(&pf->pdev->dev, + "Filter deleted for PCTYPE %d loc = %d\n", + fd_data->pctype, fd_data->fd_id); + } + + if (add) + pf->fd_sctp4_filter_cnt++; + else + pf->fd_sctp4_filter_cnt--; + + return 0; +} + #define I40E_IP_DUMMY_PACKET_LEN 34 /** * i40e_add_del_fdir_ipv4 - Add/Remove IPv4 Flow Director filters for @@ -440,6 +514,9 @@ int i40e_add_del_fdir(struct i40e_vsi *vsi, case UDP_V4_FLOW: ret = i40e_add_del_fdir_udpv4(vsi, input, add); break; + case SCTP_V4_FLOW: + ret = i40e_add_del_fdir_sctpv4(vsi, input, add); + break; case IP_USER_FLOW: switch (input->ip4_proto) { case IPPROTO_TCP: @@ -448,6 +525,9 @@ int i40e_add_del_fdir(struct i40e_vsi *vsi, case IPPROTO_UDP: ret = i40e_add_del_fdir_udpv4(vsi, input, add); break; + case IPPROTO_SCTP: + ret = i40e_add_del_fdir_sctpv4(vsi, input, add); + break; case IPPROTO_IP: ret = i40e_add_del_fdir_ipv4(vsi, input, add); break; |