diff options
Diffstat (limited to 'udp_internal.h')
| -rw-r--r-- | udp_internal.h | 31 |
1 files changed, 22 insertions, 9 deletions
diff --git a/udp_internal.h b/udp_internal.h index a09f3c6..cc80e30 100644 --- a/udp_internal.h +++ b/udp_internal.h @@ -6,16 +6,29 @@ #ifndef UDP_INTERNAL_H #define UDP_INTERNAL_H -#define UDP_CONN_TIMEOUT 180 /* s, timeout for ephemeral or local bind */ +#include "tap.h" /* needed by udp_meta_t */ + #define UDP_MAX_FRAMES 32 /* max # of frames to receive at once */ -extern struct sockaddr_in udp4_localname; -extern struct sockaddr_in6 udp6_localname; +/** + * struct udp_payload_t - UDP header and data for inbound messages + * @uh: UDP header + * @data: UDP data + */ +struct udp_payload_t { + struct udphdr uh; + char data[USHRT_MAX - sizeof(struct udphdr)]; +#ifdef __AVX2__ +} __attribute__ ((packed, aligned(32))); +#else +} __attribute__ ((packed, aligned(__alignof__(unsigned int)))); +#endif -size_t udp_update_hdr4(const struct ctx *c, struct iphdr *iph, - size_t data_len, struct sockaddr_in *s_in, - in_port_t dstport, const struct timespec *now); -size_t udp_update_hdr6(const struct ctx *c, struct ipv6hdr *ip6h, - size_t data_len, struct sockaddr_in6 *s_in6, - in_port_t dstport, const struct timespec *now); +size_t udp_update_hdr4(struct iphdr *ip4h, struct udp_payload_t *bp, + const struct flowside *toside, size_t dlen, + bool no_udp_csum); +size_t udp_update_hdr6(struct ipv6hdr *ip6h, struct udp_payload_t *bp, + const struct flowside *toside, size_t dlen, + bool no_udp_csum); +int udp_sock_errs(const struct ctx *c, int s, uint32_t events); #endif /* UDP_INTERNAL_H */ |