diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/packet/Kconfig | 10 | ||||
| -rw-r--r-- | net/packet/af_packet.c | 29 |
2 files changed, 0 insertions, 39 deletions
diff --git a/net/packet/Kconfig b/net/packet/Kconfig index 34ff93ff894..0060e3b396b 100644 --- a/net/packet/Kconfig +++ b/net/packet/Kconfig @@ -14,13 +14,3 @@ config PACKET be called af_packet. If unsure, say Y. - -config PACKET_MMAP - bool "Packet socket: mmapped IO" - depends on PACKET - help - If you say Y here, the Packet protocol driver will use an IO - mechanism that results in faster communication. - - If unsure, say N. - diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 178e2937bba..6ecb426bc0c 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -157,7 +157,6 @@ struct packet_mreq_max { unsigned char mr_address[MAX_ADDR_LEN]; }; -#ifdef CONFIG_PACKET_MMAP static int packet_set_ring(struct sock *sk, struct tpacket_req *req, int closing, int tx_ring); @@ -177,7 +176,6 @@ struct packet_ring_buffer { struct packet_sock; static int tpacket_snd(struct packet_sock *po, struct msghdr *msg); -#endif static void packet_flush_mclist(struct sock *sk); @@ -185,11 +183,9 @@ struct packet_sock { /* struct sock has to be the first member of packet_sock */ struct sock sk; struct tpacket_stats stats; -#ifdef CONFIG_PACKET_MMAP struct packet_ring_buffer rx_ring; struct packet_ring_buffer tx_ring; int copy_thresh; -#endif spinlock_t bind_lock; struct mutex pg_vec_lock; unsigned int running:1, /* prot_hook is attached*/ @@ -199,13 +195,11 @@ struct packet_sock { int ifindex; /* bound device */ __be16 num; struct packet_mclist *mclist; -#ifdef CONFIG_PACKET_MMAP atomic_t mapped; enum tpacket_versions tp_version; unsigned int tp_hdrlen; unsigned int tp_reserve; unsigned int tp_loss:1; -#endif struct packet_type prot_hook ____cacheline_aligned_in_smp; }; @@ -219,8 +213,6 @@ struct packet_skb_cb { #define PACKET_SKB_CB(__skb) ((struct packet_skb_cb *)((__skb)->cb)) -#ifdef CONFIG_PACKET_MMAP - static void __packet_set_status(struct packet_sock *po, void *frame, int status) { union { @@ -315,8 +307,6 @@ static inline void packet_increment_head(struct packet_ring_buffer *buff) buff->head = buff->head != buff->frame_max ? buff->head+1 : 0; } -#endif - static inline struct packet_sock *pkt_sk(struct sock *sk) { return (struct packet_sock *)sk; @@ -640,7 +630,6 @@ drop: return 0; } -#ifdef CONFIG_PACKET_MMAP static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, struct packet_type *pt, struct net_device *orig_dev) { @@ -1056,7 +1045,6 @@ out: mutex_unlock(&po->pg_vec_lock); return err; } -#endif static inline struct sk_buff *packet_alloc_skb(struct sock *sk, size_t prepad, size_t reserve, size_t len, @@ -1248,13 +1236,11 @@ out: static int packet_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, size_t len) { -#ifdef CONFIG_PACKET_MMAP struct sock *sk = sock->sk; struct packet_sock *po = pkt_sk(sk); if (po->tx_ring.pg_vec) return tpacket_snd(po, msg); else -#endif return packet_snd(sock, msg, len); } @@ -1268,9 +1254,7 @@ static int packet_release(struct socket *sock) struct sock *sk = sock->sk; struct packet_sock *po; struct net *net; -#ifdef CONFIG_PACKET_MMAP struct tpacket_req req; -#endif if (!sk) return 0; @@ -1299,7 +1283,6 @@ static int packet_release(struct socket *sock) packet_flush_mclist(sk); -#ifdef CONFIG_PACKET_MMAP memset(&req, 0, sizeof(req)); if (po->rx_ring.pg_vec) @@ -1307,7 +1290,6 @@ static int packet_release(struct socket *sock) if (po->tx_ring.pg_vec) packet_set_ring(sk, &req, 1, 1); -#endif /* * Now the socket is dead. No more input will appear. @@ -1872,7 +1854,6 @@ packet_setsockopt(struct socket *sock, int level, int optname, char __user *optv return ret; } -#ifdef CONFIG_PACKET_MMAP case PACKET_RX_RING: case PACKET_TX_RING: { @@ -1943,7 +1924,6 @@ packet_setsockopt(struct socket *sock, int level, int optname, char __user *optv po->tp_loss = !!val; return 0; } -#endif case PACKET_AUXDATA: { int val; @@ -2041,7 +2021,6 @@ static int packet_getsockopt(struct socket *sock, int level, int optname, data = &val; break; -#ifdef CONFIG_PACKET_MMAP case PACKET_VERSION: if (len > sizeof(int)) len = sizeof(int); @@ -2077,7 +2056,6 @@ static int packet_getsockopt(struct socket *sock, int level, int optname, val = po->tp_loss; data = &val; break; -#endif default: return -ENOPROTOOPT; } @@ -2197,11 +2175,6 @@ static int packet_ioctl(struct socket *sock, unsigned int cmd, return 0; } -#ifndef CONFIG_PACKET_MMAP -#define packet_mmap sock_no_mmap -#define packet_poll datagram_poll -#else - static unsigned int packet_poll(struct file *file, struct socket *sock, poll_table *wait) { @@ -2483,8 +2456,6 @@ out: mutex_unlock(&po->pg_vec_lock); return err; } -#endif - static const struct proto_ops packet_ops_spkt = { .family = PF_PACKET, |