diff options
author | 2016-08-15 15:31:15 -0400 | |
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committer | 2016-08-15 15:31:27 -0400 | |
commit | 97d8dc2317780740af5faa3dc205d95d838fbd04 (patch) | |
tree | ba0433acbad4a3577cbdf034ccb0895dff868750 /vnet/vnet/l2/l2_bvi.h | |
parent | a5abdeb296f3e395708e89d29093ab37fb6cae2f (diff) |
VPP-257 Coding standards cleanup for vnet/vnet/l2
Change-Id: Iba5f33675bb2eb806e9becdc42b11da5d3932d55
Signed-off-by: Dave Barach <dave@barachs.net>
Diffstat (limited to 'vnet/vnet/l2/l2_bvi.h')
-rw-r--r-- | vnet/vnet/l2/l2_bvi.h | 117 |
1 files changed, 65 insertions, 52 deletions
diff --git a/vnet/vnet/l2/l2_bvi.h b/vnet/vnet/l2/l2_bvi.h index 54b7606e06a..dd1130a6c29 100644 --- a/vnet/vnet/l2/l2_bvi.h +++ b/vnet/vnet/l2/l2_bvi.h @@ -28,77 +28,90 @@ #define TO_BVI_ERR_BAD_MAC 1 #define TO_BVI_ERR_ETHERTYPE 2 -// Send a packet from L2 processing to L3 via the BVI interface. -// Set next0 to the proper L3 input node. -// Return an error if the packet isn't what we expect. +/** + * Send a packet from L2 processing to L3 via the BVI interface. + * Set next0 to the proper L3 input node. + * Return an error if the packet isn't what we expect. + */ -static_always_inline u32 +static_always_inline u32 l2_to_bvi (vlib_main_t * vlib_main, - vnet_main_t * vnet_main, - vlib_buffer_t * b0, - u32 bvi_sw_if_index, - next_by_ethertype_t * l3_next, - u32 * next0) + vnet_main_t * vnet_main, + vlib_buffer_t * b0, + u32 bvi_sw_if_index, next_by_ethertype_t * l3_next, u32 * next0) { u8 l2_len; u16 ethertype; - u8 * l3h; - ethernet_header_t * e0; - vnet_hw_interface_t * hi; + u8 *l3h; + ethernet_header_t *e0; + vnet_hw_interface_t *hi; e0 = vlib_buffer_get_current (b0); hi = vnet_get_sup_hw_interface (vnet_main, bvi_sw_if_index); - // Perform L3 my-mac filter - if ((!ethernet_address_cast(e0->dst_address)) && - (!eth_mac_equal((u8 *)e0, hi->hw_address))) { + /* Perform L3 my-mac filter */ + if ((!ethernet_address_cast (e0->dst_address)) && + (!eth_mac_equal ((u8 *) e0, hi->hw_address))) + { return TO_BVI_ERR_BAD_MAC; - } + } - // Save L2 header position which may be changed due to packet replication + /* Save L2 header position which may be changed due to packet replication */ vnet_buffer (b0)->ethernet.start_of_ethernet_header = b0->current_data; - // Strip L2 header - l2_len = vnet_buffer(b0)->l2.l2_len; + /* Strip L2 header */ + l2_len = vnet_buffer (b0)->l2.l2_len; vlib_buffer_advance (b0, l2_len); l3h = vlib_buffer_get_current (b0); - ethertype = clib_net_to_host_u16(*(u16 *)(l3h - 2)); - - // Set the input interface to be the BVI interface - vnet_buffer(b0)->sw_if_index[VLIB_RX] = bvi_sw_if_index; - vnet_buffer(b0)->sw_if_index[VLIB_TX] = ~0; - - // Go to appropriate L3 input node - if (ethertype == ETHERNET_TYPE_IP4) { - *next0 = l3_next->input_next_ip4; - } else if (ethertype == ETHERNET_TYPE_IP6) { - *next0 = l3_next->input_next_ip6; - } else { - // uncommon ethertype, check table - u32 i0; - - i0 = sparse_vec_index (l3_next->input_next_by_type, ethertype); - *next0 = vec_elt (l3_next->input_next_by_type, i0); - - if (i0 == SPARSE_VEC_INVALID_INDEX) { - return TO_BVI_ERR_ETHERTYPE; - } - } - - // increment BVI RX interface stat - vlib_increment_combined_counter - (vnet_main->interface_main.combined_sw_if_counters - + VNET_INTERFACE_COUNTER_RX, - vlib_main->cpu_index, - vnet_buffer(b0)->sw_if_index[VLIB_RX], - 1, - vlib_buffer_length_in_chain (vlib_main, b0)); + ethertype = clib_net_to_host_u16 (*(u16 *) (l3h - 2)); + + /* Set the input interface to be the BVI interface */ + vnet_buffer (b0)->sw_if_index[VLIB_RX] = bvi_sw_if_index; + vnet_buffer (b0)->sw_if_index[VLIB_TX] = ~0; + + /* Go to appropriate L3 input node */ + if (ethertype == ETHERNET_TYPE_IP4) + { + *next0 = l3_next->input_next_ip4; + } + else if (ethertype == ETHERNET_TYPE_IP6) + { + *next0 = l3_next->input_next_ip6; + } + else + { + /* uncommon ethertype, check table */ + u32 i0; + + i0 = sparse_vec_index (l3_next->input_next_by_type, ethertype); + *next0 = vec_elt (l3_next->input_next_by_type, i0); + + if (i0 == SPARSE_VEC_INVALID_INDEX) + { + return TO_BVI_ERR_ETHERTYPE; + } + } + + /* increment BVI RX interface stat */ + vlib_increment_combined_counter + (vnet_main->interface_main.combined_sw_if_counters + + VNET_INTERFACE_COUNTER_RX, + vlib_main->cpu_index, + vnet_buffer (b0)->sw_if_index[VLIB_RX], + 1, vlib_buffer_length_in_chain (vlib_main, b0)); return TO_BVI_ERR_OK; } void l2bvi_register_input_type (vlib_main_t * vm, - ethernet_type_t type, - u32 node_index); + ethernet_type_t type, u32 node_index); #endif + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |