diff options
Diffstat (limited to 'vnet/vnet/ip/ip4_pg.c')
-rw-r--r-- | vnet/vnet/ip/ip4_pg.c | 152 |
1 files changed, 76 insertions, 76 deletions
diff --git a/vnet/vnet/ip/ip4_pg.c b/vnet/vnet/ip/ip4_pg.c index 42dad85272a..9697a3b9c89 100644 --- a/vnet/vnet/ip/ip4_pg.c +++ b/vnet/vnet/ip/ip4_pg.c @@ -47,16 +47,15 @@ static_always_inline void compute_length_and_or_checksum (vlib_main_t * vm, u32 * packets, u32 n_packets, - u32 ip_header_offset, - u32 flags) + u32 ip_header_offset, u32 flags) { ASSERT (flags != 0); while (n_packets >= 2) { u32 pi0, pi1; - vlib_buffer_t * p0, * p1; - ip4_header_t * ip0, * ip1; + vlib_buffer_t *p0, *p1; + ip4_header_t *ip0, *ip1; ip_csum_t sum0, sum1; pi0 = packets[0]; @@ -71,8 +70,12 @@ compute_length_and_or_checksum (vlib_main_t * vm, if (flags & IP4_PG_EDIT_LENGTH) { - ip0->length = clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, p0) - ip_header_offset); - ip1->length = clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, p1) - ip_header_offset); + ip0->length = + clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, p0) - + ip_header_offset); + ip1->length = + clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, p1) - + ip_header_offset); } if (flags & IP4_PG_EDIT_CHECKSUM) @@ -84,8 +87,8 @@ compute_length_and_or_checksum (vlib_main_t * vm, ip1->checksum = 0; ip4_partial_header_checksum_x2 (ip0, ip1, sum0, sum1); - ip0->checksum = ~ ip_csum_fold (sum0); - ip1->checksum = ~ ip_csum_fold (sum1); + ip0->checksum = ~ip_csum_fold (sum0); + ip1->checksum = ~ip_csum_fold (sum1); ASSERT (ip0->checksum == ip4_header_checksum (ip0)); ASSERT (ip1->checksum == ip4_header_checksum (ip1)); @@ -95,8 +98,8 @@ compute_length_and_or_checksum (vlib_main_t * vm, while (n_packets >= 1) { u32 pi0; - vlib_buffer_t * p0; - ip4_header_t * ip0; + vlib_buffer_t *p0; + ip4_header_t *ip0; ip_csum_t sum0; pi0 = packets[0]; @@ -107,7 +110,9 @@ compute_length_and_or_checksum (vlib_main_t * vm, ip0 = (void *) (p0->data + ip_header_offset); if (flags & IP4_PG_EDIT_LENGTH) - ip0->length = clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, p0) - ip_header_offset); + ip0->length = + clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, p0) - + ip_header_offset); if (flags & IP4_PG_EDIT_CHECKSUM) { @@ -116,7 +121,7 @@ compute_length_and_or_checksum (vlib_main_t * vm, ip0->checksum = 0; ip4_partial_header_checksum_x1 (ip0, sum0); - ip0->checksum = ~ ip_csum_fold (sum0); + ip0->checksum = ~ip_csum_fold (sum0); ASSERT (ip0->checksum == ip4_header_checksum (ip0)); } @@ -126,11 +131,9 @@ compute_length_and_or_checksum (vlib_main_t * vm, static void ip4_pg_edit_function (pg_main_t * pg, pg_stream_t * s, - pg_edit_group_t * g, - u32 * packets, - u32 n_packets) + pg_edit_group_t * g, u32 * packets, u32 n_packets) { - vlib_main_t * vm = vlib_get_main(); + vlib_main_t *vm = vlib_get_main (); u32 ip_offset; ip_offset = g->start_byte_offset; @@ -159,7 +162,8 @@ ip4_pg_edit_function (pg_main_t * pg, } } -typedef struct { +typedef struct +{ pg_edit_t ip_version, header_length; pg_edit_t tos; pg_edit_t length; @@ -183,53 +187,46 @@ pg_ip4_header_init (pg_ip4_header_t * p) { /* Initialize fields that are not bit fields in the IP header. */ #define _(f) pg_edit_init (&p->f, ip4_header_t, f); - _ (tos); - _ (length); - _ (fragment_id); - _ (ttl); - _ (protocol); - _ (checksum); - _ (src_address); - _ (dst_address); + _(tos); + _(length); + _(fragment_id); + _(ttl); + _(protocol); + _(checksum); + _(src_address); + _(dst_address); #undef _ /* Initialize bit fields. */ pg_edit_init_bitfield (&p->header_length, ip4_header_t, - ip_version_and_header_length, - 0, 4); + ip_version_and_header_length, 0, 4); pg_edit_init_bitfield (&p->ip_version, ip4_header_t, - ip_version_and_header_length, - 4, 4); + ip_version_and_header_length, 4, 4); pg_edit_init_bitfield (&p->fragment_offset, ip4_header_t, - flags_and_fragment_offset, - 0, 13); + flags_and_fragment_offset, 0, 13); pg_edit_init_bitfield (&p->mf_flag, ip4_header_t, - flags_and_fragment_offset, - 13, 1); + flags_and_fragment_offset, 13, 1); pg_edit_init_bitfield (&p->df_flag, ip4_header_t, - flags_and_fragment_offset, - 14, 1); + flags_and_fragment_offset, 14, 1); pg_edit_init_bitfield (&p->ce_flag, ip4_header_t, - flags_and_fragment_offset, - 15, 1); + flags_and_fragment_offset, 15, 1); } uword unformat_pg_ip4_header (unformat_input_t * input, va_list * args) { - pg_stream_t * s = va_arg (*args, pg_stream_t *); - pg_ip4_header_t * p; + pg_stream_t *s = va_arg (*args, pg_stream_t *); + pg_ip4_header_t *p; u32 group_index; - + p = pg_create_edit_group (s, sizeof (p[0]), sizeof (ip4_header_t), &group_index); pg_ip4_header_init (p); /* Defaults. */ pg_edit_set_fixed (&p->ip_version, 4); - pg_edit_set_fixed (&p->header_length, - sizeof (ip4_header_t) / sizeof (u32)); + pg_edit_set_fixed (&p->header_length, sizeof (ip4_header_t) / sizeof (u32)); pg_edit_set_fixed (&p->tos, 0); pg_edit_set_fixed (&p->ttl, 64); @@ -244,26 +241,23 @@ unformat_pg_ip4_header (unformat_input_t * input, va_list * args) p->checksum.type = PG_EDIT_UNSPECIFIED; if (unformat (input, "%U: %U -> %U", - unformat_pg_edit, - unformat_ip_protocol, &p->protocol, - unformat_pg_edit, - unformat_ip4_address, &p->src_address, - unformat_pg_edit, - unformat_ip4_address, &p->dst_address)) - goto found; - - if (! unformat (input, "%U:", - unformat_pg_edit, - unformat_ip_protocol, &p->protocol)) - goto error; + unformat_pg_edit, + unformat_ip_protocol, &p->protocol, + unformat_pg_edit, + unformat_ip4_address, &p->src_address, + unformat_pg_edit, unformat_ip4_address, &p->dst_address)) + goto found; + + if (!unformat (input, "%U:", + unformat_pg_edit, unformat_ip_protocol, &p->protocol)) + goto error; found: /* Parse options. */ while (1) { if (unformat (input, "version %U", - unformat_pg_edit, - unformat_pg_number, &p->ip_version)) + unformat_pg_edit, unformat_pg_number, &p->ip_version)) ; else if (unformat (input, "header-length %U", @@ -272,23 +266,19 @@ found: ; else if (unformat (input, "tos %U", - unformat_pg_edit, - unformat_pg_number, &p->tos)) + unformat_pg_edit, unformat_pg_number, &p->tos)) ; else if (unformat (input, "length %U", - unformat_pg_edit, - unformat_pg_number, &p->length)) + unformat_pg_edit, unformat_pg_number, &p->length)) ; else if (unformat (input, "checksum %U", - unformat_pg_edit, - unformat_pg_number, &p->checksum)) + unformat_pg_edit, unformat_pg_number, &p->checksum)) ; else if (unformat (input, "ttl %U", - unformat_pg_edit, - unformat_pg_number, &p->ttl)) + unformat_pg_edit, unformat_pg_number, &p->ttl)) ; else if (unformat (input, "fragment id %U offset %U", @@ -298,10 +288,11 @@ found: unformat_pg_number, &p->fragment_offset)) { int i; - for (i = 0; i< ARRAY_LEN (p->fragment_offset.values); i++) + for (i = 0; i < ARRAY_LEN (p->fragment_offset.values); i++) pg_edit_set_value (&p->fragment_offset, i, - pg_edit_get_value (&p->fragment_offset, i) / 8); - + pg_edit_get_value (&p->fragment_offset, + i) / 8); + } /* Flags. */ @@ -313,16 +304,16 @@ found: else if (unformat (input, "ce") || unformat (input, "CE")) pg_edit_set_fixed (&p->ce_flag, 1); - + /* Can't parse input: try next protocol level. */ else break; } { - ip_main_t * im = &ip_main; + ip_main_t *im = &ip_main; ip_protocol_t protocol; - ip_protocol_info_t * pi; + ip_protocol_info_t *pi; pi = 0; if (p->protocol.type == PG_EDIT_FIXED) @@ -335,7 +326,7 @@ found: && unformat_user (input, pi->unformat_pg_edit, s)) ; - else if (! unformat_user (input, unformat_pg_payload, s)) + else if (!unformat_user (input, unformat_pg_payload, s)) goto error; if (p->length.type == PG_EDIT_UNSPECIFIED @@ -350,7 +341,7 @@ found: if (p->checksum.type == PG_EDIT_UNSPECIFIED) { ip4_header_t fixed_header, fixed_mask, cmp_mask; - + /* See if header is all fixed and specified except for checksum field. */ memset (&cmp_mask, ~0, sizeof (cmp_mask)); @@ -358,16 +349,17 @@ found: pg_edit_group_get_fixed_packet_data (s, group_index, &fixed_header, &fixed_mask); - if (! memcmp (&fixed_mask, &cmp_mask, sizeof (cmp_mask))) + if (!memcmp (&fixed_mask, &cmp_mask, sizeof (cmp_mask))) pg_edit_set_fixed (&p->checksum, - clib_net_to_host_u16 (ip4_header_checksum (&fixed_header))); + clib_net_to_host_u16 (ip4_header_checksum + (&fixed_header))); } p = pg_get_edit_group (s, group_index); if (p->length.type == PG_EDIT_UNSPECIFIED || p->checksum.type == PG_EDIT_UNSPECIFIED) { - pg_edit_group_t * g = pg_stream_get_group (s, group_index); + pg_edit_group_t *g = pg_stream_get_group (s, group_index); g->edit_function = ip4_pg_edit_function; g->edit_function_opaque = 0; if (p->length.type == PG_EDIT_UNSPECIFIED) @@ -379,9 +371,17 @@ found: return 1; } - error: +error: /* Free up any edits we may have added. */ pg_free_edit_group (s); return 0; } + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "gnu") + * End: + */ |