diff options
Diffstat (limited to 'vnet/vnet/ip/udp_pg.c')
| -rw-r--r-- | vnet/vnet/ip/udp_pg.c | 82 |
1 files changed, 43 insertions, 39 deletions
diff --git a/vnet/vnet/ip/udp_pg.c b/vnet/vnet/ip/udp_pg.c index 76383a9a9c2..c9d8d38ca4a 100644 --- a/vnet/vnet/ip/udp_pg.c +++ b/vnet/vnet/ip/udp_pg.c @@ -38,7 +38,7 @@ */ #include <vnet/pg/pg.h> -#include <vnet/ip/ip.h> /* for unformat_udp_udp_port */ +#include <vnet/ip/ip.h> /* for unformat_udp_udp_port */ #define UDP_PG_EDIT_LENGTH (1 << 0) #define UDP_PG_EDIT_CHECKSUM (1 << 1) @@ -47,21 +47,19 @@ always_inline void udp_pg_edit_function_inline (pg_main_t * pg, pg_stream_t * s, pg_edit_group_t * g, - u32 * packets, - u32 n_packets, - u32 flags) + u32 * packets, u32 n_packets, u32 flags) { - vlib_main_t * vm = vlib_get_main(); + vlib_main_t *vm = vlib_get_main (); u32 ip_offset, udp_offset; udp_offset = g->start_byte_offset; - ip_offset = (g-1)->start_byte_offset; + ip_offset = (g - 1)->start_byte_offset; while (n_packets >= 1) { - vlib_buffer_t * p0; - ip4_header_t * ip0; - udp_header_t * udp0; + vlib_buffer_t *p0; + ip4_header_t *ip0; + udp_header_t *udp0; u32 udp_len0; p0 = vlib_get_buffer (vm, packets[0]); @@ -73,9 +71,9 @@ udp_pg_edit_function_inline (pg_main_t * pg, udp_len0 = clib_net_to_host_u16 (ip0->length) - sizeof (ip0[0]); if (flags & UDP_PG_EDIT_LENGTH) - udp0->length = - clib_net_to_host_u16 (vlib_buffer_length_in_chain (vm, p0) - - ip_offset); + udp0->length = + clib_net_to_host_u16 (vlib_buffer_length_in_chain (vm, p0) + - ip_offset); /* Initialize checksum with header. */ if (flags & UDP_PG_EDIT_CHECKSUM) @@ -90,9 +88,11 @@ udp_pg_edit_function_inline (pg_main_t * pg, /* Invalidate possibly old checksum. */ udp0->checksum = 0; - sum0 = ip_incremental_checksum_buffer (vm, p0, udp_offset, udp_len0, sum0); + sum0 = + ip_incremental_checksum_buffer (vm, p0, udp_offset, udp_len0, + sum0); - sum0 = ~ ip_csum_fold (sum0); + sum0 = ~ip_csum_fold (sum0); /* Zero checksum means checksumming disabled. */ sum0 = sum0 != 0 ? sum0 : 0xffff; @@ -105,9 +105,7 @@ udp_pg_edit_function_inline (pg_main_t * pg, static void udp_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) { switch (g->edit_function_opaque) { @@ -132,7 +130,8 @@ udp_pg_edit_function (pg_main_t * pg, } } -typedef struct { +typedef struct +{ pg_edit_t src_port, dst_port; pg_edit_t length; pg_edit_t checksum; @@ -143,20 +142,20 @@ pg_udp_header_init (pg_udp_header_t * p) { /* Initialize fields that are not bit fields in the IP header. */ #define _(f) pg_edit_init (&p->f, udp_header_t, f); - _ (src_port); - _ (dst_port); - _ (length); - _ (checksum); + _(src_port); + _(dst_port); + _(length); + _(checksum); #undef _ } uword unformat_pg_udp_header (unformat_input_t * input, va_list * args) { - pg_stream_t * s = va_arg (*args, pg_stream_t *); - pg_udp_header_t * p; + pg_stream_t *s = va_arg (*args, pg_stream_t *); + pg_udp_header_t *p; u32 group_index; - + p = pg_create_edit_group (s, sizeof (p[0]), sizeof (udp_header_t), &group_index); pg_udp_header_init (p); @@ -165,24 +164,21 @@ unformat_pg_udp_header (unformat_input_t * input, va_list * args) p->checksum.type = PG_EDIT_UNSPECIFIED; p->length.type = PG_EDIT_UNSPECIFIED; - if (! unformat (input, "UDP: %U -> %U", - unformat_pg_edit, - unformat_tcp_udp_port, &p->src_port, - unformat_pg_edit, - unformat_tcp_udp_port, &p->dst_port)) + if (!unformat (input, "UDP: %U -> %U", + unformat_pg_edit, + unformat_tcp_udp_port, &p->src_port, + unformat_pg_edit, unformat_tcp_udp_port, &p->dst_port)) goto error; /* Parse options. */ while (1) { 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)) ; /* Can't parse input: try next protocol level. */ @@ -191,9 +187,9 @@ unformat_pg_udp_header (unformat_input_t * input, va_list * args) } { - ip_main_t * im = &ip_main; + ip_main_t *im = &ip_main; u16 dst_port; - tcp_udp_port_info_t * pi; + tcp_udp_port_info_t *pi; pi = 0; if (p->dst_port.type == PG_EDIT_FIXED) @@ -206,14 +202,14 @@ unformat_pg_udp_header (unformat_input_t * input, va_list * args) && 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; p = pg_get_edit_group (s, group_index); if (p->checksum.type == PG_EDIT_UNSPECIFIED || p->length.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 = udp_pg_edit_function; g->edit_function_opaque = 0; if (p->checksum.type == PG_EDIT_UNSPECIFIED) @@ -225,9 +221,17 @@ unformat_pg_udp_header (unformat_input_t * input, va_list * args) 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: + */ |