From 48582bf47f5ef7a1bf136ca455d182addad08028 Mon Sep 17 00:00:00 2001 From: Stefano Brivio Date: Sat, 26 Mar 2022 07:23:21 +0100 Subject: treewide: Mark constant references as const Signed-off-by: Stefano Brivio --- udp.c | 34 ++++++++++++++++++---------------- 1 file changed, 18 insertions(+), 16 deletions(-) (limited to 'udp.c') diff --git a/udp.c b/udp.c index 9032e47..d62d962 100644 --- a/udp.c +++ b/udp.c @@ -306,7 +306,7 @@ static void udp_update_check4(struct udp4_l2_buf_t *buf) * @eth_s: Ethernet source address, NULL if unchanged * @ip_da: Pointer to IPv4 destination address, NULL if unchanged */ -void udp_update_l2_buf(unsigned char *eth_d, unsigned char *eth_s, +void udp_update_l2_buf(const unsigned char *eth_d, const unsigned char *eth_s, const uint32_t *ip_da) { int i; @@ -429,7 +429,7 @@ static void udp_sock6_iov_init(void) * * #syscalls:pasta getsockname */ -int udp_splice_connect(struct ctx *c, int v6, int bound_sock, +int udp_splice_connect(const struct ctx *c, int v6, int bound_sock, in_port_t src, in_port_t dst, int splice) { struct epoll_event ev = { .events = EPOLLIN | EPOLLRDHUP | EPOLLHUP }; @@ -519,7 +519,7 @@ fail: * @s: Newly created socket or negative error code */ struct udp_splice_connect_ns_arg { - struct ctx *c; + const struct ctx *c; int v6; int bound_sock; in_port_t src; @@ -555,8 +555,8 @@ static int udp_splice_connect_ns(void *arg) * @events: epoll events bitmap * @now: Current timestamp */ -static void udp_sock_handler_splice(struct ctx *c, union epoll_ref ref, - uint32_t events, struct timespec *now) +static void udp_sock_handler_splice(const struct ctx *c, union epoll_ref ref, + uint32_t events, const struct timespec *now) { in_port_t src, dst = ref.r.p.udp.udp.port, send_dst = 0; struct msghdr *mh = &udp_mmh_recv[0].msg_hdr; @@ -671,9 +671,10 @@ static void udp_sock_handler_splice(struct ctx *c, union epoll_ref ref, * @msg_len: Length of current message being prepared for sending * @now: Current timestamp */ -static void udp_sock_fill_data_v4(struct ctx *c, int n, union epoll_ref ref, +static void udp_sock_fill_data_v4(const struct ctx *c, int n, + union epoll_ref ref, int *msg_idx, int *msg_bufs, ssize_t *msg_len, - struct timespec *now) + const struct timespec *now) { struct msghdr *mh = &udp6_l2_mh_tap[*msg_idx].msg_hdr; struct udp4_l2_buf_t *b = &udp4_l2_buf[n]; @@ -746,9 +747,10 @@ static void udp_sock_fill_data_v4(struct ctx *c, int n, union epoll_ref ref, * @msg_len: Length of current message being prepared for sending * @now: Current timestamp */ -static void udp_sock_fill_data_v6(struct ctx *c, int n, union epoll_ref ref, +static void udp_sock_fill_data_v6(const struct ctx *c, int n, + union epoll_ref ref, int *msg_idx, int *msg_bufs, ssize_t *msg_len, - struct timespec *now) + const struct timespec *now) { struct msghdr *mh = &udp6_l2_mh_tap[*msg_idx].msg_hdr; struct udp6_l2_buf_t *b = &udp6_l2_buf[n]; @@ -845,8 +847,8 @@ static void udp_sock_fill_data_v6(struct ctx *c, int n, union epoll_ref ref, * #syscalls recvmmsg * #syscalls:passt sendmmsg sendmsg */ -void udp_sock_handler(struct ctx *c, union epoll_ref ref, uint32_t events, - struct timespec *now) +void udp_sock_handler(const struct ctx *c, union epoll_ref ref, uint32_t events, + const struct timespec *now) { ssize_t n, msg_len = 0, missing = 0; int msg_bufs = 0, msg_i = 0, ret; @@ -958,8 +960,8 @@ void udp_sock_handler(struct ctx *c, union epoll_ref ref, uint32_t events, * * #syscalls sendmmsg */ -int udp_tap_handler(struct ctx *c, int af, void *addr, struct pool *p, - struct timespec *now) +int udp_tap_handler(struct ctx *c, int af, const void *addr, + const struct pool *p, const struct timespec *now) { struct mmsghdr mm[UIO_MAXIOV] = { 0 }; struct iovec m[UIO_MAXIOV]; @@ -1180,7 +1182,7 @@ static void udp_splice_iov_init(void) * * Return: 0 on success, -1 on failure */ -int udp_sock_init(struct ctx *c) +int udp_sock_init(const struct ctx *c) { union udp_epoll_ref uref = { .udp.bound = 1 }; int dst, s; @@ -1246,7 +1248,7 @@ int udp_sock_init(struct ctx *c) * @ts: Timestamp from caller */ static void udp_timer_one(struct ctx *c, int v6, enum udp_act_type type, - in_port_t port, struct timespec *ts) + in_port_t port, const struct timespec *ts) { struct udp_splice_port *sp; struct udp_tap_port *tp; @@ -1292,7 +1294,7 @@ static void udp_timer_one(struct ctx *c, int v6, enum udp_act_type type, * @c: Execution context * @ts: Timestamp from caller */ -void udp_timer(struct ctx *c, struct timespec *ts) +void udp_timer(struct ctx *c, const struct timespec *ts) { int n, t, v6 = 0; unsigned int i; -- cgit v1.2.3