inet_hashtables.c (2dbb9b9e6df67d444fbe425c7f6014858d337adf) inet_hashtables.c (8217ca653ec601246832d562207bc24bdf652d2f)
1/*
2 * INET An implementation of the TCP/IP protocol suite for the LINUX
3 * operating system. INET is implemented using the BSD Socket
4 * interface as the means of communication with the user level.
5 *
6 * Generic INET transport hashtables
7 *
8 * Authors: Lotsa people, from code originally in tcp

--- 314 unchanged lines hidden (view full) ---

323 ilb2 = inet_lhash2_bucket(hashinfo, hash2);
324 if (ilb2->count > ilb->count)
325 goto port_lookup;
326
327 result = inet_lhash2_lookup(net, ilb2, skb, doff,
328 saddr, sport, daddr, hnum,
329 dif, sdif);
330 if (result)
1/*
2 * INET An implementation of the TCP/IP protocol suite for the LINUX
3 * operating system. INET is implemented using the BSD Socket
4 * interface as the means of communication with the user level.
5 *
6 * Generic INET transport hashtables
7 *
8 * Authors: Lotsa people, from code originally in tcp

--- 314 unchanged lines hidden (view full) ---

323 ilb2 = inet_lhash2_bucket(hashinfo, hash2);
324 if (ilb2->count > ilb->count)
325 goto port_lookup;
326
327 result = inet_lhash2_lookup(net, ilb2, skb, doff,
328 saddr, sport, daddr, hnum,
329 dif, sdif);
330 if (result)
331 return result;
331 goto done;
332
333 /* Lookup lhash2 with INADDR_ANY */
334
335 hash2 = ipv4_portaddr_hash(net, htonl(INADDR_ANY), hnum);
336 ilb2 = inet_lhash2_bucket(hashinfo, hash2);
337 if (ilb2->count > ilb->count)
338 goto port_lookup;
339
332
333 /* Lookup lhash2 with INADDR_ANY */
334
335 hash2 = ipv4_portaddr_hash(net, htonl(INADDR_ANY), hnum);
336 ilb2 = inet_lhash2_bucket(hashinfo, hash2);
337 if (ilb2->count > ilb->count)
338 goto port_lookup;
339
340 return inet_lhash2_lookup(net, ilb2, skb, doff,
341 saddr, sport, daddr, hnum,
342 dif, sdif);
340 result = inet_lhash2_lookup(net, ilb2, skb, doff,
341 saddr, sport, daddr, hnum,
342 dif, sdif);
343 goto done;
343
344port_lookup:
345 sk_for_each_rcu(sk, &ilb->head) {
346 score = compute_score(sk, net, hnum, daddr,
347 dif, sdif, exact_dif);
348 if (score > hiscore) {
349 if (sk->sk_reuseport) {
350 phash = inet_ehashfn(net, daddr, hnum,
351 saddr, sport);
352 result = reuseport_select_sock(sk, phash,
353 skb, doff);
354 if (result)
344
345port_lookup:
346 sk_for_each_rcu(sk, &ilb->head) {
347 score = compute_score(sk, net, hnum, daddr,
348 dif, sdif, exact_dif);
349 if (score > hiscore) {
350 if (sk->sk_reuseport) {
351 phash = inet_ehashfn(net, daddr, hnum,
352 saddr, sport);
353 result = reuseport_select_sock(sk, phash,
354 skb, doff);
355 if (result)
355 return result;
356 goto done;
356 }
357 result = sk;
358 hiscore = score;
359 }
360 }
357 }
358 result = sk;
359 hiscore = score;
360 }
361 }
362done:
363 if (unlikely(IS_ERR(result)))
364 return NULL;
361 return result;
362}
363EXPORT_SYMBOL_GPL(__inet_lookup_listener);
364
365/* All sockets share common refcount, but have different destructors */
366void sock_gen_put(struct sock *sk)
367{
368 if (!refcount_dec_and_test(&sk->sk_refcnt))

--- 476 unchanged lines hidden --- 		365 return result;
366}
367EXPORT_SYMBOL_GPL(__inet_lookup_listener);
368
369/* All sockets share common refcount, but have different destructors */
370void sock_gen_put(struct sock *sk)
371{
372 if (!refcount_dec_and_test(&sk->sk_refcnt))

--- 476 unchanged lines hidden ---