2064 lines
52 KiB
C
2064 lines
52 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2018 Chelsio Communications, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#include "opt_inet.h"
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#include "opt_inet6.h"
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#include <sys/param.h>
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#include <sys/eventhandler.h>
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#include <sys/fnv_hash.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/rwlock.h>
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#include <sys/socket.h>
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#include <sys/sbuf.h>
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#include <netinet/in.h>
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#include "common/common.h"
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#include "common/t4_msg.h"
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#include "common/t4_regs.h"
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#include "common/t4_regs_values.h"
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#include "common/t4_tcb.h"
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#include "t4_l2t.h"
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#include "t4_smt.h"
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struct filter_entry {
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LIST_ENTRY(filter_entry) link_4t;
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LIST_ENTRY(filter_entry) link_tid;
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uint32_t valid:1; /* filter allocated and valid */
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uint32_t locked:1; /* filter is administratively locked or busy */
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uint32_t pending:1; /* filter action is pending firmware reply */
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int tid; /* tid of the filter TCB */
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struct l2t_entry *l2te; /* L2 table entry for DMAC rewrite */
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struct smt_entry *smt; /* SMT entry for SMAC rewrite */
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struct t4_filter_specification fs;
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};
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static void free_filter_resources(struct filter_entry *);
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static int get_tcamfilter(struct adapter *, struct t4_filter *);
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static int get_hashfilter(struct adapter *, struct t4_filter *);
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static int set_hashfilter(struct adapter *, struct t4_filter *, uint64_t,
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struct l2t_entry *, struct smt_entry *);
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static int del_hashfilter(struct adapter *, struct t4_filter *);
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static int configure_hashfilter_tcb(struct adapter *, struct filter_entry *);
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static inline bool
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separate_hpfilter_region(struct adapter *sc)
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{
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return (chip_id(sc) >= CHELSIO_T6);
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}
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static inline uint32_t
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hf_hashfn_4t(struct t4_filter_specification *fs)
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{
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struct t4_filter_tuple *ft = &fs->val;
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uint32_t hash;
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if (fs->type) {
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/* IPv6 */
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hash = fnv_32_buf(&ft->sip[0], 16, FNV1_32_INIT);
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hash = fnv_32_buf(&ft->dip[0], 16, hash);
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} else {
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hash = fnv_32_buf(&ft->sip[0], 4, FNV1_32_INIT);
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hash = fnv_32_buf(&ft->dip[0], 4, hash);
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}
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hash = fnv_32_buf(&ft->sport, sizeof(ft->sport), hash);
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hash = fnv_32_buf(&ft->dport, sizeof(ft->dport), hash);
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return (hash);
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}
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static inline uint32_t
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hf_hashfn_tid(int tid)
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{
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return (fnv_32_buf(&tid, sizeof(tid), FNV1_32_INIT));
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}
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static int
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alloc_hftid_hash(struct tid_info *t, int flags)
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{
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int n;
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MPASS(t->ntids > 0);
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MPASS(t->hftid_hash_4t == NULL);
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MPASS(t->hftid_hash_tid == NULL);
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n = max(t->ntids / 1024, 16);
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t->hftid_hash_4t = hashinit_flags(n, M_CXGBE, &t->hftid_4t_mask, flags);
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if (t->hftid_hash_4t == NULL)
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return (ENOMEM);
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t->hftid_hash_tid = hashinit_flags(n, M_CXGBE, &t->hftid_tid_mask,
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flags);
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if (t->hftid_hash_tid == NULL) {
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hashdestroy(t->hftid_hash_4t, M_CXGBE, t->hftid_4t_mask);
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t->hftid_hash_4t = NULL;
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return (ENOMEM);
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}
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mtx_init(&t->hftid_lock, "T4 hashfilters", 0, MTX_DEF);
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cv_init(&t->hftid_cv, "t4hfcv");
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return (0);
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}
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void
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free_hftid_hash(struct tid_info *t)
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{
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struct filter_entry *f, *ftmp;
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LIST_HEAD(, filter_entry) *head;
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int i;
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#ifdef INVARIANTS
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int n = 0;
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#endif
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if (t->tids_in_use > 0) {
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/* Remove everything from the tid hash. */
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head = t->hftid_hash_tid;
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for (i = 0; i <= t->hftid_tid_mask; i++) {
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LIST_FOREACH_SAFE(f, &head[i], link_tid, ftmp) {
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LIST_REMOVE(f, link_tid);
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}
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}
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/* Remove and then free each filter in the 4t hash. */
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head = t->hftid_hash_4t;
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for (i = 0; i <= t->hftid_4t_mask; i++) {
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LIST_FOREACH_SAFE(f, &head[i], link_4t, ftmp) {
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#ifdef INVARIANTS
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n += f->fs.type ? 2 : 1;
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#endif
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LIST_REMOVE(f, link_4t);
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free(f, M_CXGBE);
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}
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}
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MPASS(t->tids_in_use == n);
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t->tids_in_use = 0;
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}
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if (t->hftid_hash_4t) {
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hashdestroy(t->hftid_hash_4t, M_CXGBE, t->hftid_4t_mask);
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t->hftid_hash_4t = NULL;
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}
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if (t->hftid_hash_tid) {
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hashdestroy(t->hftid_hash_tid, M_CXGBE, t->hftid_tid_mask);
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t->hftid_hash_tid = NULL;
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}
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if (mtx_initialized(&t->hftid_lock)) {
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mtx_destroy(&t->hftid_lock);
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cv_destroy(&t->hftid_cv);
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}
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}
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static void
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insert_hf(struct adapter *sc, struct filter_entry *f, uint32_t hash)
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{
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struct tid_info *t = &sc->tids;
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LIST_HEAD(, filter_entry) *head = t->hftid_hash_4t;
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MPASS(head != NULL);
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if (hash == 0)
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hash = hf_hashfn_4t(&f->fs);
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LIST_INSERT_HEAD(&head[hash & t->hftid_4t_mask], f, link_4t);
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atomic_add_int(&t->tids_in_use, f->fs.type ? 2 : 1);
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}
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static void
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insert_hftid(struct adapter *sc, struct filter_entry *f)
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{
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struct tid_info *t = &sc->tids;
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LIST_HEAD(, filter_entry) *head = t->hftid_hash_tid;
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uint32_t hash;
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MPASS(f->tid >= t->tid_base);
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MPASS(f->tid - t->tid_base < t->ntids);
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mtx_assert(&t->hftid_lock, MA_OWNED);
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hash = hf_hashfn_tid(f->tid);
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LIST_INSERT_HEAD(&head[hash & t->hftid_tid_mask], f, link_tid);
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}
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static bool
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filter_eq(struct t4_filter_specification *fs1,
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struct t4_filter_specification *fs2)
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{
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int n;
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MPASS(fs1->hash && fs2->hash);
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if (fs1->type != fs2->type)
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return (false);
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n = fs1->type ? 16 : 4;
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if (bcmp(&fs1->val.sip[0], &fs2->val.sip[0], n) ||
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bcmp(&fs1->val.dip[0], &fs2->val.dip[0], n) ||
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fs1->val.sport != fs2->val.sport ||
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fs1->val.dport != fs2->val.dport)
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return (false);
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/*
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* We know the masks are the same because all hashfilters conform to the
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* global tp->filter_mask and the driver has verified that already.
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*/
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if ((fs1->mask.pfvf_vld || fs1->mask.ovlan_vld) &&
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fs1->val.vnic != fs2->val.vnic)
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return (false);
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if (fs1->mask.vlan_vld && fs1->val.vlan != fs2->val.vlan)
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return (false);
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if (fs1->mask.macidx && fs1->val.macidx != fs2->val.macidx)
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return (false);
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if (fs1->mask.frag && fs1->val.frag != fs2->val.frag)
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return (false);
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if (fs1->mask.matchtype && fs1->val.matchtype != fs2->val.matchtype)
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return (false);
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if (fs1->mask.iport && fs1->val.iport != fs2->val.iport)
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return (false);
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if (fs1->mask.fcoe && fs1->val.fcoe != fs2->val.fcoe)
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return (false);
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if (fs1->mask.proto && fs1->val.proto != fs2->val.proto)
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return (false);
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if (fs1->mask.tos && fs1->val.tos != fs2->val.tos)
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return (false);
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if (fs1->mask.ethtype && fs1->val.ethtype != fs2->val.ethtype)
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return (false);
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return (true);
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}
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static struct filter_entry *
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lookup_hf(struct adapter *sc, struct t4_filter_specification *fs, uint32_t hash)
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{
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struct tid_info *t = &sc->tids;
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LIST_HEAD(, filter_entry) *head = t->hftid_hash_4t;
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struct filter_entry *f;
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mtx_assert(&t->hftid_lock, MA_OWNED);
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MPASS(head != NULL);
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if (hash == 0)
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hash = hf_hashfn_4t(fs);
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LIST_FOREACH(f, &head[hash & t->hftid_4t_mask], link_4t) {
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if (filter_eq(&f->fs, fs))
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return (f);
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}
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return (NULL);
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}
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static struct filter_entry *
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lookup_hftid(struct adapter *sc, int tid)
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{
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struct tid_info *t = &sc->tids;
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LIST_HEAD(, filter_entry) *head = t->hftid_hash_tid;
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struct filter_entry *f;
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uint32_t hash;
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mtx_assert(&t->hftid_lock, MA_OWNED);
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MPASS(head != NULL);
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hash = hf_hashfn_tid(tid);
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LIST_FOREACH(f, &head[hash & t->hftid_tid_mask], link_tid) {
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if (f->tid == tid)
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return (f);
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}
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return (NULL);
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}
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static void
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remove_hf(struct adapter *sc, struct filter_entry *f)
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{
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struct tid_info *t = &sc->tids;
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mtx_assert(&t->hftid_lock, MA_OWNED);
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LIST_REMOVE(f, link_4t);
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atomic_subtract_int(&t->tids_in_use, f->fs.type ? 2 : 1);
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}
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static void
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remove_hftid(struct adapter *sc, struct filter_entry *f)
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{
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#ifdef INVARIANTS
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struct tid_info *t = &sc->tids;
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mtx_assert(&t->hftid_lock, MA_OWNED);
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#endif
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LIST_REMOVE(f, link_tid);
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}
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/*
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* Input: driver's 32b filter mode.
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* Returns: hardware filter mode (bits to set in vlan_pri_map) for the input.
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*/
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static uint16_t
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mode_to_fconf(uint32_t mode)
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{
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uint32_t fconf = 0;
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if (mode & T4_FILTER_IP_FRAGMENT)
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fconf |= F_FRAGMENTATION;
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if (mode & T4_FILTER_MPS_HIT_TYPE)
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fconf |= F_MPSHITTYPE;
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if (mode & T4_FILTER_MAC_IDX)
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fconf |= F_MACMATCH;
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if (mode & T4_FILTER_ETH_TYPE)
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fconf |= F_ETHERTYPE;
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if (mode & T4_FILTER_IP_PROTO)
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fconf |= F_PROTOCOL;
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if (mode & T4_FILTER_IP_TOS)
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fconf |= F_TOS;
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if (mode & T4_FILTER_VLAN)
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fconf |= F_VLAN;
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if (mode & T4_FILTER_VNIC)
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fconf |= F_VNIC_ID;
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if (mode & T4_FILTER_PORT)
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fconf |= F_PORT;
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if (mode & T4_FILTER_FCoE)
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fconf |= F_FCOE;
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return (fconf);
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}
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/*
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* Input: driver's 32b filter mode.
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* Returns: hardware vnic mode (ingress config) matching the input.
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*/
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static int
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mode_to_iconf(uint32_t mode)
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{
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if ((mode & T4_FILTER_VNIC) == 0)
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return (-1); /* ingress config doesn't matter. */
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if (mode & T4_FILTER_IC_VNIC)
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return (FW_VNIC_MODE_PF_VF);
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else if (mode & T4_FILTER_IC_ENCAP)
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return (FW_VNIC_MODE_ENCAP_EN);
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else
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return (FW_VNIC_MODE_OUTER_VLAN);
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}
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static int
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check_fspec_against_fconf_iconf(struct adapter *sc,
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struct t4_filter_specification *fs)
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{
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struct tp_params *tpp = &sc->params.tp;
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uint32_t fconf = 0;
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if (fs->val.frag || fs->mask.frag)
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fconf |= F_FRAGMENTATION;
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if (fs->val.matchtype || fs->mask.matchtype)
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fconf |= F_MPSHITTYPE;
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if (fs->val.macidx || fs->mask.macidx)
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fconf |= F_MACMATCH;
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if (fs->val.ethtype || fs->mask.ethtype)
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fconf |= F_ETHERTYPE;
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if (fs->val.proto || fs->mask.proto)
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fconf |= F_PROTOCOL;
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if (fs->val.tos || fs->mask.tos)
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fconf |= F_TOS;
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if (fs->val.vlan_vld || fs->mask.vlan_vld)
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fconf |= F_VLAN;
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if (fs->val.ovlan_vld || fs->mask.ovlan_vld) {
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if (tpp->vnic_mode != FW_VNIC_MODE_OUTER_VLAN)
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return (EINVAL);
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fconf |= F_VNIC_ID;
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}
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if (fs->val.pfvf_vld || fs->mask.pfvf_vld) {
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if (tpp->vnic_mode != FW_VNIC_MODE_PF_VF)
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return (EINVAL);
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fconf |= F_VNIC_ID;
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}
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#ifdef notyet
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if (fs->val.encap_vld || fs->mask.encap_vld) {
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if (tpp->vnic_mode != FW_VNIC_MODE_ENCAP_EN);
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return (EINVAL);
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fconf |= F_VNIC_ID;
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}
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#endif
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if (fs->val.iport || fs->mask.iport)
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fconf |= F_PORT;
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if (fs->val.fcoe || fs->mask.fcoe)
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fconf |= F_FCOE;
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if ((tpp->filter_mode | fconf) != tpp->filter_mode)
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return (E2BIG);
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return (0);
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}
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/*
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* Input: hardware filter configuration (filter mode/mask, ingress config).
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* Input: driver's 32b filter mode matching the input.
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*/
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static uint32_t
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fconf_to_mode(uint16_t hwmode, int vnic_mode)
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{
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uint32_t mode = T4_FILTER_IPv4 | T4_FILTER_IPv6 | T4_FILTER_IP_SADDR |
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T4_FILTER_IP_DADDR | T4_FILTER_IP_SPORT | T4_FILTER_IP_DPORT;
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if (hwmode & F_FRAGMENTATION)
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mode |= T4_FILTER_IP_FRAGMENT;
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if (hwmode & F_MPSHITTYPE)
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mode |= T4_FILTER_MPS_HIT_TYPE;
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if (hwmode & F_MACMATCH)
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mode |= T4_FILTER_MAC_IDX;
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if (hwmode & F_ETHERTYPE)
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mode |= T4_FILTER_ETH_TYPE;
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if (hwmode & F_PROTOCOL)
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mode |= T4_FILTER_IP_PROTO;
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if (hwmode & F_TOS)
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mode |= T4_FILTER_IP_TOS;
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if (hwmode & F_VLAN)
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mode |= T4_FILTER_VLAN;
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if (hwmode & F_VNIC_ID)
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mode |= T4_FILTER_VNIC; /* real meaning depends on vnic_mode. */
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if (hwmode & F_PORT)
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mode |= T4_FILTER_PORT;
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if (hwmode & F_FCOE)
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mode |= T4_FILTER_FCoE;
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switch (vnic_mode) {
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case FW_VNIC_MODE_PF_VF:
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mode |= T4_FILTER_IC_VNIC;
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break;
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case FW_VNIC_MODE_ENCAP_EN:
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mode |= T4_FILTER_IC_ENCAP;
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break;
|
|
case FW_VNIC_MODE_OUTER_VLAN:
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return (mode);
|
|
}
|
|
|
|
int
|
|
get_filter_mode(struct adapter *sc, uint32_t *mode)
|
|
{
|
|
struct tp_params *tp = &sc->params.tp;
|
|
uint16_t filter_mode;
|
|
|
|
/* Filter mask must comply with the global filter mode. */
|
|
MPASS((tp->filter_mode | tp->filter_mask) == tp->filter_mode);
|
|
|
|
/* Non-zero incoming value in mode means "hashfilter mode". */
|
|
filter_mode = *mode ? tp->filter_mask : tp->filter_mode;
|
|
*mode = fconf_to_mode(filter_mode, tp->vnic_mode);
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
set_filter_mode(struct adapter *sc, uint32_t mode)
|
|
{
|
|
struct tp_params *tp = &sc->params.tp;
|
|
int rc, iconf;
|
|
uint16_t fconf;
|
|
|
|
iconf = mode_to_iconf(mode);
|
|
fconf = mode_to_fconf(mode);
|
|
if ((iconf == -1 || iconf == tp->vnic_mode) && fconf == tp->filter_mode)
|
|
return (0); /* Nothing to do */
|
|
|
|
rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4setfm");
|
|
if (rc)
|
|
return (rc);
|
|
|
|
if (hw_off_limits(sc)) {
|
|
rc = ENXIO;
|
|
goto done;
|
|
}
|
|
|
|
if (sc->tids.ftids_in_use > 0 || /* TCAM filters active */
|
|
sc->tids.hpftids_in_use > 0 || /* hi-pri TCAM filters active */
|
|
sc->tids.tids_in_use > 0) { /* TOE or hashfilters active */
|
|
rc = EBUSY;
|
|
goto done;
|
|
}
|
|
|
|
#ifdef TCP_OFFLOAD
|
|
if (uld_active(sc, ULD_TOM)) {
|
|
rc = EBUSY;
|
|
goto done;
|
|
}
|
|
#endif
|
|
|
|
/* Note that filter mask will get clipped to the new filter mode. */
|
|
rc = -t4_set_filter_cfg(sc, fconf, -1, iconf);
|
|
done:
|
|
end_synchronized_op(sc, 0);
|
|
return (rc);
|
|
}
|
|
|
|
int
|
|
set_filter_mask(struct adapter *sc, uint32_t mode)
|
|
{
|
|
struct tp_params *tp = &sc->params.tp;
|
|
int rc, iconf;
|
|
uint16_t fmask;
|
|
|
|
iconf = mode_to_iconf(mode);
|
|
fmask = mode_to_fconf(mode);
|
|
if ((iconf == -1 || iconf == tp->vnic_mode) && fmask == tp->filter_mask)
|
|
return (0); /* Nothing to do */
|
|
|
|
/*
|
|
* We aren't going to change the global filter mode or VNIC mode here.
|
|
* The given filter mask must conform to them.
|
|
*/
|
|
if ((fmask | tp->filter_mode) != tp->filter_mode)
|
|
return (EINVAL);
|
|
if (iconf != -1 && iconf != tp->vnic_mode)
|
|
return (EINVAL);
|
|
|
|
rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4sethfm");
|
|
if (rc)
|
|
return (rc);
|
|
|
|
if (hw_off_limits(sc)) {
|
|
rc = ENXIO;
|
|
goto done;
|
|
}
|
|
|
|
if (sc->tids.tids_in_use > 0) { /* TOE or hashfilters active */
|
|
rc = EBUSY;
|
|
goto done;
|
|
}
|
|
|
|
#ifdef TCP_OFFLOAD
|
|
if (uld_active(sc, ULD_TOM)) {
|
|
rc = EBUSY;
|
|
goto done;
|
|
}
|
|
#endif
|
|
rc = -t4_set_filter_cfg(sc, -1, fmask, -1);
|
|
done:
|
|
end_synchronized_op(sc, 0);
|
|
return (rc);
|
|
}
|
|
|
|
static inline uint64_t
|
|
get_filter_hits(struct adapter *sc, uint32_t tid)
|
|
{
|
|
uint32_t tcb_addr;
|
|
uint64_t hits;
|
|
|
|
tcb_addr = t4_read_reg(sc, A_TP_CMM_TCB_BASE) + tid * TCB_SIZE;
|
|
|
|
mtx_lock(&sc->reg_lock);
|
|
if (hw_off_limits(sc))
|
|
hits = 0;
|
|
else if (is_t4(sc)) {
|
|
uint64_t t;
|
|
|
|
read_via_memwin(sc, 0, tcb_addr + 16, (uint32_t *)&t, 8);
|
|
hits = be64toh(t);
|
|
} else {
|
|
uint32_t t;
|
|
|
|
read_via_memwin(sc, 0, tcb_addr + 24, &t, 4);
|
|
hits = be32toh(t);
|
|
}
|
|
mtx_unlock(&sc->reg_lock);
|
|
|
|
return (hits);
|
|
}
|
|
|
|
int
|
|
get_filter(struct adapter *sc, struct t4_filter *t)
|
|
{
|
|
if (t->fs.hash)
|
|
return (get_hashfilter(sc, t));
|
|
else
|
|
return (get_tcamfilter(sc, t));
|
|
}
|
|
|
|
static int
|
|
set_tcamfilter(struct adapter *sc, struct t4_filter *t, struct l2t_entry *l2te,
|
|
struct smt_entry *smt)
|
|
{
|
|
struct filter_entry *f;
|
|
struct fw_filter2_wr *fwr;
|
|
u_int vnic_vld, vnic_vld_mask;
|
|
struct wrq_cookie cookie;
|
|
int i, rc, busy, locked;
|
|
u_int tid;
|
|
const int ntids = t->fs.type ? 4 : 1;
|
|
|
|
MPASS(!t->fs.hash);
|
|
/* Already validated against fconf, iconf */
|
|
MPASS((t->fs.val.pfvf_vld & t->fs.val.ovlan_vld) == 0);
|
|
MPASS((t->fs.mask.pfvf_vld & t->fs.mask.ovlan_vld) == 0);
|
|
|
|
if (separate_hpfilter_region(sc) && t->fs.prio) {
|
|
MPASS(t->idx < sc->tids.nhpftids);
|
|
f = &sc->tids.hpftid_tab[t->idx];
|
|
tid = sc->tids.hpftid_base + t->idx;
|
|
} else {
|
|
MPASS(t->idx < sc->tids.nftids);
|
|
f = &sc->tids.ftid_tab[t->idx];
|
|
tid = sc->tids.ftid_base + t->idx;
|
|
}
|
|
rc = busy = locked = 0;
|
|
mtx_lock(&sc->tids.ftid_lock);
|
|
for (i = 0; i < ntids; i++) {
|
|
busy += f[i].pending + f[i].valid;
|
|
locked += f[i].locked;
|
|
}
|
|
if (locked > 0)
|
|
rc = EPERM;
|
|
else if (busy > 0)
|
|
rc = EBUSY;
|
|
else {
|
|
int len16;
|
|
|
|
if (sc->params.filter2_wr_support)
|
|
len16 = howmany(sizeof(struct fw_filter2_wr), 16);
|
|
else
|
|
len16 = howmany(sizeof(struct fw_filter_wr), 16);
|
|
fwr = start_wrq_wr(&sc->sge.ctrlq[0], len16, &cookie);
|
|
if (__predict_false(fwr == NULL))
|
|
rc = ENOMEM;
|
|
else {
|
|
f->pending = 1;
|
|
if (separate_hpfilter_region(sc) && t->fs.prio)
|
|
sc->tids.hpftids_in_use++;
|
|
else
|
|
sc->tids.ftids_in_use++;
|
|
}
|
|
}
|
|
mtx_unlock(&sc->tids.ftid_lock);
|
|
if (rc != 0)
|
|
return (rc);
|
|
|
|
/*
|
|
* Can't fail now. A set-filter WR will definitely be sent.
|
|
*/
|
|
|
|
f->tid = tid;
|
|
f->fs = t->fs;
|
|
f->l2te = l2te;
|
|
f->smt = smt;
|
|
|
|
if (t->fs.val.pfvf_vld || t->fs.val.ovlan_vld)
|
|
vnic_vld = 1;
|
|
else
|
|
vnic_vld = 0;
|
|
if (t->fs.mask.pfvf_vld || t->fs.mask.ovlan_vld)
|
|
vnic_vld_mask = 1;
|
|
else
|
|
vnic_vld_mask = 0;
|
|
|
|
bzero(fwr, sizeof(*fwr));
|
|
if (sc->params.filter2_wr_support)
|
|
fwr->op_pkd = htobe32(V_FW_WR_OP(FW_FILTER2_WR));
|
|
else
|
|
fwr->op_pkd = htobe32(V_FW_WR_OP(FW_FILTER_WR));
|
|
fwr->len16_pkd = htobe32(FW_LEN16(*fwr));
|
|
fwr->tid_to_iq =
|
|
htobe32(V_FW_FILTER_WR_TID(f->tid) |
|
|
V_FW_FILTER_WR_RQTYPE(f->fs.type) |
|
|
V_FW_FILTER_WR_NOREPLY(0) |
|
|
V_FW_FILTER_WR_IQ(f->fs.iq));
|
|
fwr->del_filter_to_l2tix =
|
|
htobe32(V_FW_FILTER_WR_RPTTID(f->fs.rpttid) |
|
|
V_FW_FILTER_WR_DROP(f->fs.action == FILTER_DROP) |
|
|
V_FW_FILTER_WR_DIRSTEER(f->fs.dirsteer) |
|
|
V_FW_FILTER_WR_MASKHASH(f->fs.maskhash) |
|
|
V_FW_FILTER_WR_DIRSTEERHASH(f->fs.dirsteerhash) |
|
|
V_FW_FILTER_WR_LPBK(f->fs.action == FILTER_SWITCH) |
|
|
V_FW_FILTER_WR_DMAC(f->fs.newdmac) |
|
|
V_FW_FILTER_WR_SMAC(f->fs.newsmac) |
|
|
V_FW_FILTER_WR_INSVLAN(f->fs.newvlan == VLAN_INSERT ||
|
|
f->fs.newvlan == VLAN_REWRITE) |
|
|
V_FW_FILTER_WR_RMVLAN(f->fs.newvlan == VLAN_REMOVE ||
|
|
f->fs.newvlan == VLAN_REWRITE) |
|
|
V_FW_FILTER_WR_HITCNTS(f->fs.hitcnts) |
|
|
V_FW_FILTER_WR_TXCHAN(f->fs.eport) |
|
|
V_FW_FILTER_WR_PRIO(f->fs.prio) |
|
|
V_FW_FILTER_WR_L2TIX(f->l2te ? f->l2te->idx : 0));
|
|
fwr->ethtype = htobe16(f->fs.val.ethtype);
|
|
fwr->ethtypem = htobe16(f->fs.mask.ethtype);
|
|
fwr->frag_to_ovlan_vldm =
|
|
(V_FW_FILTER_WR_FRAG(f->fs.val.frag) |
|
|
V_FW_FILTER_WR_FRAGM(f->fs.mask.frag) |
|
|
V_FW_FILTER_WR_IVLAN_VLD(f->fs.val.vlan_vld) |
|
|
V_FW_FILTER_WR_OVLAN_VLD(vnic_vld) |
|
|
V_FW_FILTER_WR_IVLAN_VLDM(f->fs.mask.vlan_vld) |
|
|
V_FW_FILTER_WR_OVLAN_VLDM(vnic_vld_mask));
|
|
fwr->smac_sel = 0;
|
|
fwr->rx_chan_rx_rpl_iq = htobe16(V_FW_FILTER_WR_RX_CHAN(0) |
|
|
V_FW_FILTER_WR_RX_RPL_IQ(sc->sge.fwq.abs_id));
|
|
fwr->maci_to_matchtypem =
|
|
htobe32(V_FW_FILTER_WR_MACI(f->fs.val.macidx) |
|
|
V_FW_FILTER_WR_MACIM(f->fs.mask.macidx) |
|
|
V_FW_FILTER_WR_FCOE(f->fs.val.fcoe) |
|
|
V_FW_FILTER_WR_FCOEM(f->fs.mask.fcoe) |
|
|
V_FW_FILTER_WR_PORT(f->fs.val.iport) |
|
|
V_FW_FILTER_WR_PORTM(f->fs.mask.iport) |
|
|
V_FW_FILTER_WR_MATCHTYPE(f->fs.val.matchtype) |
|
|
V_FW_FILTER_WR_MATCHTYPEM(f->fs.mask.matchtype));
|
|
fwr->ptcl = f->fs.val.proto;
|
|
fwr->ptclm = f->fs.mask.proto;
|
|
fwr->ttyp = f->fs.val.tos;
|
|
fwr->ttypm = f->fs.mask.tos;
|
|
fwr->ivlan = htobe16(f->fs.val.vlan);
|
|
fwr->ivlanm = htobe16(f->fs.mask.vlan);
|
|
fwr->ovlan = htobe16(f->fs.val.vnic);
|
|
fwr->ovlanm = htobe16(f->fs.mask.vnic);
|
|
bcopy(f->fs.val.dip, fwr->lip, sizeof (fwr->lip));
|
|
bcopy(f->fs.mask.dip, fwr->lipm, sizeof (fwr->lipm));
|
|
bcopy(f->fs.val.sip, fwr->fip, sizeof (fwr->fip));
|
|
bcopy(f->fs.mask.sip, fwr->fipm, sizeof (fwr->fipm));
|
|
fwr->lp = htobe16(f->fs.val.dport);
|
|
fwr->lpm = htobe16(f->fs.mask.dport);
|
|
fwr->fp = htobe16(f->fs.val.sport);
|
|
fwr->fpm = htobe16(f->fs.mask.sport);
|
|
/* sma = 0 tells the fw to use SMAC_SEL for source MAC address */
|
|
bzero(fwr->sma, sizeof (fwr->sma));
|
|
if (sc->params.filter2_wr_support) {
|
|
fwr->filter_type_swapmac =
|
|
V_FW_FILTER2_WR_SWAPMAC(f->fs.swapmac);
|
|
fwr->natmode_to_ulp_type =
|
|
V_FW_FILTER2_WR_ULP_TYPE(f->fs.nat_mode ?
|
|
ULP_MODE_TCPDDP : ULP_MODE_NONE) |
|
|
V_FW_FILTER2_WR_NATFLAGCHECK(f->fs.nat_flag_chk) |
|
|
V_FW_FILTER2_WR_NATMODE(f->fs.nat_mode);
|
|
memcpy(fwr->newlip, f->fs.nat_dip, sizeof(fwr->newlip));
|
|
memcpy(fwr->newfip, f->fs.nat_sip, sizeof(fwr->newfip));
|
|
fwr->newlport = htobe16(f->fs.nat_dport);
|
|
fwr->newfport = htobe16(f->fs.nat_sport);
|
|
fwr->natseqcheck = htobe32(f->fs.nat_seq_chk);
|
|
}
|
|
commit_wrq_wr(&sc->sge.ctrlq[0], fwr, &cookie);
|
|
|
|
/* Wait for response. */
|
|
mtx_lock(&sc->tids.ftid_lock);
|
|
for (;;) {
|
|
if (f->pending == 0) {
|
|
rc = f->valid ? 0 : EIO;
|
|
break;
|
|
}
|
|
if (cv_wait_sig(&sc->tids.ftid_cv, &sc->tids.ftid_lock) != 0) {
|
|
rc = EINPROGRESS;
|
|
break;
|
|
}
|
|
}
|
|
mtx_unlock(&sc->tids.ftid_lock);
|
|
return (rc);
|
|
}
|
|
|
|
static int
|
|
hashfilter_ntuple(struct adapter *sc, const struct t4_filter_specification *fs,
|
|
uint64_t *ftuple)
|
|
{
|
|
struct tp_params *tp = &sc->params.tp;
|
|
uint16_t fmask;
|
|
|
|
*ftuple = fmask = 0;
|
|
|
|
/*
|
|
* Initialize each of the fields which we care about which are present
|
|
* in the Compressed Filter Tuple.
|
|
*/
|
|
if (tp->vlan_shift >= 0 && fs->mask.vlan) {
|
|
*ftuple |= (uint64_t)(F_FT_VLAN_VLD | fs->val.vlan) <<
|
|
tp->vlan_shift;
|
|
fmask |= F_VLAN;
|
|
}
|
|
|
|
if (tp->port_shift >= 0 && fs->mask.iport) {
|
|
*ftuple |= (uint64_t)fs->val.iport << tp->port_shift;
|
|
fmask |= F_PORT;
|
|
}
|
|
|
|
if (tp->protocol_shift >= 0 && fs->mask.proto) {
|
|
*ftuple |= (uint64_t)fs->val.proto << tp->protocol_shift;
|
|
fmask |= F_PROTOCOL;
|
|
}
|
|
|
|
if (tp->tos_shift >= 0 && fs->mask.tos) {
|
|
*ftuple |= (uint64_t)(fs->val.tos) << tp->tos_shift;
|
|
fmask |= F_TOS;
|
|
}
|
|
|
|
if (tp->vnic_shift >= 0 && fs->mask.vnic) {
|
|
/* vnic_mode was already validated. */
|
|
if (tp->vnic_mode == FW_VNIC_MODE_PF_VF)
|
|
MPASS(fs->mask.pfvf_vld);
|
|
else if (tp->vnic_mode == FW_VNIC_MODE_OUTER_VLAN)
|
|
MPASS(fs->mask.ovlan_vld);
|
|
#ifdef notyet
|
|
else if (tp->vnic_mode == FW_VNIC_MODE_ENCAP_EN)
|
|
MPASS(fs->mask.encap_vld);
|
|
#endif
|
|
*ftuple |= ((1ULL << 16) | fs->val.vnic) << tp->vnic_shift;
|
|
fmask |= F_VNIC_ID;
|
|
}
|
|
|
|
if (tp->macmatch_shift >= 0 && fs->mask.macidx) {
|
|
*ftuple |= (uint64_t)(fs->val.macidx) << tp->macmatch_shift;
|
|
fmask |= F_MACMATCH;
|
|
}
|
|
|
|
if (tp->ethertype_shift >= 0 && fs->mask.ethtype) {
|
|
*ftuple |= (uint64_t)(fs->val.ethtype) << tp->ethertype_shift;
|
|
fmask |= F_ETHERTYPE;
|
|
}
|
|
|
|
if (tp->matchtype_shift >= 0 && fs->mask.matchtype) {
|
|
*ftuple |= (uint64_t)(fs->val.matchtype) << tp->matchtype_shift;
|
|
fmask |= F_MPSHITTYPE;
|
|
}
|
|
|
|
if (tp->frag_shift >= 0 && fs->mask.frag) {
|
|
*ftuple |= (uint64_t)(fs->val.frag) << tp->frag_shift;
|
|
fmask |= F_FRAGMENTATION;
|
|
}
|
|
|
|
if (tp->fcoe_shift >= 0 && fs->mask.fcoe) {
|
|
*ftuple |= (uint64_t)(fs->val.fcoe) << tp->fcoe_shift;
|
|
fmask |= F_FCOE;
|
|
}
|
|
|
|
/* A hashfilter must conform to the hardware filter mask. */
|
|
if (fmask != tp->filter_mask)
|
|
return (EINVAL);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static bool
|
|
is_4tuple_specified(struct t4_filter_specification *fs)
|
|
{
|
|
int i;
|
|
const int n = fs->type ? 16 : 4;
|
|
|
|
if (fs->mask.sport != 0xffff || fs->mask.dport != 0xffff)
|
|
return (false);
|
|
|
|
for (i = 0; i < n; i++) {
|
|
if (fs->mask.sip[i] != 0xff)
|
|
return (false);
|
|
if (fs->mask.dip[i] != 0xff)
|
|
return (false);
|
|
}
|
|
|
|
return (true);
|
|
}
|
|
|
|
int
|
|
set_filter(struct adapter *sc, struct t4_filter *t)
|
|
{
|
|
struct tid_info *ti = &sc->tids;
|
|
struct l2t_entry *l2te = NULL;
|
|
struct smt_entry *smt = NULL;
|
|
uint64_t ftuple;
|
|
int rc;
|
|
|
|
/*
|
|
* Basic filter checks first.
|
|
*/
|
|
|
|
if (t->fs.hash) {
|
|
if (!is_hashfilter(sc) || ti->ntids == 0)
|
|
return (ENOTSUP);
|
|
/* Hardware, not user, selects a tid for hashfilters. */
|
|
if (t->idx != (uint32_t)-1)
|
|
return (EINVAL);
|
|
/* T5 can't count hashfilter hits. */
|
|
if (is_t5(sc) && t->fs.hitcnts)
|
|
return (EINVAL);
|
|
if (!is_4tuple_specified(&t->fs))
|
|
return (EINVAL);
|
|
rc = hashfilter_ntuple(sc, &t->fs, &ftuple);
|
|
if (rc != 0)
|
|
return (rc);
|
|
} else {
|
|
if (separate_hpfilter_region(sc) && t->fs.prio) {
|
|
if (ti->nhpftids == 0)
|
|
return (ENOTSUP);
|
|
if (t->idx >= ti->nhpftids)
|
|
return (EINVAL);
|
|
} else {
|
|
if (ti->nftids == 0)
|
|
return (ENOTSUP);
|
|
if (t->idx >= ti->nftids)
|
|
return (EINVAL);
|
|
}
|
|
/* IPv6 filter idx must be 4 aligned */
|
|
if (t->fs.type == 1 &&
|
|
((t->idx & 0x3) || t->idx + 4 >= ti->nftids))
|
|
return (EINVAL);
|
|
}
|
|
|
|
/* T4 doesn't support VLAN tag removal or rewrite, swapmac, and NAT. */
|
|
if (is_t4(sc) && t->fs.action == FILTER_SWITCH &&
|
|
(t->fs.newvlan == VLAN_REMOVE || t->fs.newvlan == VLAN_REWRITE ||
|
|
t->fs.swapmac || t->fs.nat_mode))
|
|
return (ENOTSUP);
|
|
|
|
if (t->fs.action == FILTER_SWITCH && t->fs.eport >= sc->params.nports)
|
|
return (EINVAL);
|
|
if (t->fs.val.iport >= sc->params.nports)
|
|
return (EINVAL);
|
|
|
|
/* Can't specify an iqid/rss_info if not steering. */
|
|
if (!t->fs.dirsteer && !t->fs.dirsteerhash && !t->fs.maskhash && t->fs.iq)
|
|
return (EINVAL);
|
|
|
|
/* Validate against the global filter mode and ingress config */
|
|
rc = check_fspec_against_fconf_iconf(sc, &t->fs);
|
|
if (rc != 0)
|
|
return (rc);
|
|
|
|
/*
|
|
* Basic checks passed. Make sure the queues and tid tables are setup.
|
|
*/
|
|
|
|
rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4setf");
|
|
if (rc)
|
|
return (rc);
|
|
|
|
if (hw_off_limits(sc)) {
|
|
rc = ENXIO;
|
|
goto done;
|
|
}
|
|
|
|
if (!(sc->flags & FULL_INIT_DONE) && ((rc = adapter_init(sc)) != 0))
|
|
goto done;
|
|
|
|
if (t->fs.hash) {
|
|
if (__predict_false(ti->hftid_hash_4t == NULL)) {
|
|
rc = alloc_hftid_hash(&sc->tids, HASH_NOWAIT);
|
|
if (rc != 0)
|
|
goto done;
|
|
}
|
|
} else if (separate_hpfilter_region(sc) && t->fs.prio &&
|
|
__predict_false(ti->hpftid_tab == NULL)) {
|
|
MPASS(ti->nhpftids != 0);
|
|
KASSERT(ti->hpftids_in_use == 0,
|
|
("%s: no memory allocated but hpftids_in_use is %u",
|
|
__func__, ti->hpftids_in_use));
|
|
ti->hpftid_tab = malloc(sizeof(struct filter_entry) *
|
|
ti->nhpftids, M_CXGBE, M_NOWAIT | M_ZERO);
|
|
if (ti->hpftid_tab == NULL) {
|
|
rc = ENOMEM;
|
|
goto done;
|
|
}
|
|
if (!mtx_initialized(&sc->tids.ftid_lock)) {
|
|
mtx_init(&ti->ftid_lock, "T4 filters", 0, MTX_DEF);
|
|
cv_init(&ti->ftid_cv, "t4fcv");
|
|
}
|
|
} else if (__predict_false(ti->ftid_tab == NULL)) {
|
|
MPASS(ti->nftids != 0);
|
|
KASSERT(ti->ftids_in_use == 0,
|
|
("%s: no memory allocated but ftids_in_use is %u",
|
|
__func__, ti->ftids_in_use));
|
|
ti->ftid_tab = malloc(sizeof(struct filter_entry) * ti->nftids,
|
|
M_CXGBE, M_NOWAIT | M_ZERO);
|
|
if (ti->ftid_tab == NULL) {
|
|
rc = ENOMEM;
|
|
goto done;
|
|
}
|
|
if (!mtx_initialized(&sc->tids.ftid_lock)) {
|
|
mtx_init(&ti->ftid_lock, "T4 filters", 0, MTX_DEF);
|
|
cv_init(&ti->ftid_cv, "t4fcv");
|
|
}
|
|
}
|
|
done:
|
|
end_synchronized_op(sc, 0);
|
|
if (rc != 0)
|
|
return (rc);
|
|
|
|
/*
|
|
* Allocate L2T entry, SMT entry, etc.
|
|
*/
|
|
|
|
if (t->fs.newdmac || t->fs.newvlan) {
|
|
/* This filter needs an L2T entry; allocate one. */
|
|
l2te = t4_l2t_alloc_switching(sc, t->fs.vlan, t->fs.eport,
|
|
t->fs.dmac);
|
|
if (__predict_false(l2te == NULL)) {
|
|
rc = EAGAIN;
|
|
goto error;
|
|
}
|
|
}
|
|
|
|
if (t->fs.newsmac) {
|
|
/* This filter needs an SMT entry; allocate one. */
|
|
smt = t4_smt_alloc_switching(sc->smt, t->fs.smac);
|
|
if (__predict_false(smt == NULL)) {
|
|
rc = EAGAIN;
|
|
goto error;
|
|
}
|
|
rc = t4_smt_set_switching(sc, smt, 0x0, t->fs.smac);
|
|
if (rc)
|
|
goto error;
|
|
}
|
|
|
|
if (t->fs.hash)
|
|
rc = set_hashfilter(sc, t, ftuple, l2te, smt);
|
|
else
|
|
rc = set_tcamfilter(sc, t, l2te, smt);
|
|
|
|
if (rc != 0 && rc != EINPROGRESS) {
|
|
error:
|
|
if (l2te)
|
|
t4_l2t_release(l2te);
|
|
if (smt)
|
|
t4_smt_release(smt);
|
|
}
|
|
return (rc);
|
|
}
|
|
|
|
static int
|
|
del_tcamfilter(struct adapter *sc, struct t4_filter *t)
|
|
{
|
|
struct filter_entry *f;
|
|
struct fw_filter_wr *fwr;
|
|
struct wrq_cookie cookie;
|
|
int rc, nfilters;
|
|
#ifdef INVARIANTS
|
|
u_int tid_base;
|
|
#endif
|
|
|
|
mtx_lock(&sc->tids.ftid_lock);
|
|
if (separate_hpfilter_region(sc) && t->fs.prio) {
|
|
nfilters = sc->tids.nhpftids;
|
|
f = sc->tids.hpftid_tab;
|
|
#ifdef INVARIANTS
|
|
tid_base = sc->tids.hpftid_base;
|
|
#endif
|
|
} else {
|
|
nfilters = sc->tids.nftids;
|
|
f = sc->tids.ftid_tab;
|
|
#ifdef INVARIANTS
|
|
tid_base = sc->tids.ftid_base;
|
|
#endif
|
|
}
|
|
MPASS(f != NULL); /* Caller checked this. */
|
|
if (t->idx >= nfilters) {
|
|
rc = EINVAL;
|
|
goto done;
|
|
}
|
|
f += t->idx;
|
|
|
|
if (f->locked) {
|
|
rc = EPERM;
|
|
goto done;
|
|
}
|
|
if (f->pending) {
|
|
rc = EBUSY;
|
|
goto done;
|
|
}
|
|
if (f->valid == 0) {
|
|
rc = EINVAL;
|
|
goto done;
|
|
}
|
|
MPASS(f->tid == tid_base + t->idx);
|
|
fwr = start_wrq_wr(&sc->sge.ctrlq[0], howmany(sizeof(*fwr), 16), &cookie);
|
|
if (fwr == NULL) {
|
|
rc = ENOMEM;
|
|
goto done;
|
|
}
|
|
|
|
bzero(fwr, sizeof (*fwr));
|
|
t4_mk_filtdelwr(f->tid, fwr, sc->sge.fwq.abs_id);
|
|
f->pending = 1;
|
|
commit_wrq_wr(&sc->sge.ctrlq[0], fwr, &cookie);
|
|
t->fs = f->fs; /* extra info for the caller */
|
|
|
|
for (;;) {
|
|
if (f->pending == 0) {
|
|
rc = f->valid ? EIO : 0;
|
|
break;
|
|
}
|
|
if (cv_wait_sig(&sc->tids.ftid_cv, &sc->tids.ftid_lock) != 0) {
|
|
rc = EINPROGRESS;
|
|
break;
|
|
}
|
|
}
|
|
done:
|
|
mtx_unlock(&sc->tids.ftid_lock);
|
|
return (rc);
|
|
}
|
|
|
|
int
|
|
del_filter(struct adapter *sc, struct t4_filter *t)
|
|
{
|
|
|
|
/* No filters possible if not initialized yet. */
|
|
if (!(sc->flags & FULL_INIT_DONE))
|
|
return (EINVAL);
|
|
|
|
/*
|
|
* The checks for tid tables ensure that the locks that del_* will reach
|
|
* for are initialized.
|
|
*/
|
|
if (t->fs.hash) {
|
|
if (sc->tids.hftid_hash_4t != NULL)
|
|
return (del_hashfilter(sc, t));
|
|
} else if (separate_hpfilter_region(sc) && t->fs.prio) {
|
|
if (sc->tids.hpftid_tab != NULL)
|
|
return (del_tcamfilter(sc, t));
|
|
} else {
|
|
if (sc->tids.ftid_tab != NULL)
|
|
return (del_tcamfilter(sc, t));
|
|
}
|
|
|
|
return (EINVAL);
|
|
}
|
|
|
|
/*
|
|
* Release secondary resources associated with the filter.
|
|
*/
|
|
static void
|
|
free_filter_resources(struct filter_entry *f)
|
|
{
|
|
|
|
if (f->l2te) {
|
|
t4_l2t_release(f->l2te);
|
|
f->l2te = NULL;
|
|
}
|
|
if (f->smt) {
|
|
t4_smt_release(f->smt);
|
|
f->smt = NULL;
|
|
}
|
|
}
|
|
|
|
static int
|
|
set_tcb_field(struct adapter *sc, u_int tid, uint16_t word, uint64_t mask,
|
|
uint64_t val, int no_reply)
|
|
{
|
|
struct wrq_cookie cookie;
|
|
struct cpl_set_tcb_field *req;
|
|
|
|
req = start_wrq_wr(&sc->sge.ctrlq[0], howmany(sizeof(*req), 16), &cookie);
|
|
if (req == NULL)
|
|
return (ENOMEM);
|
|
bzero(req, sizeof(*req));
|
|
INIT_TP_WR_MIT_CPL(req, CPL_SET_TCB_FIELD, tid);
|
|
if (no_reply == 0) {
|
|
req->reply_ctrl = htobe16(V_QUEUENO(sc->sge.fwq.abs_id) |
|
|
V_NO_REPLY(0));
|
|
} else
|
|
req->reply_ctrl = htobe16(V_NO_REPLY(1));
|
|
req->word_cookie = htobe16(V_WORD(word) | V_COOKIE(CPL_COOKIE_HASHFILTER));
|
|
req->mask = htobe64(mask);
|
|
req->val = htobe64(val);
|
|
commit_wrq_wr(&sc->sge.ctrlq[0], req, &cookie);
|
|
|
|
return (0);
|
|
}
|
|
|
|
/* Set one of the t_flags bits in the TCB. */
|
|
static inline int
|
|
set_tcb_tflag(struct adapter *sc, int tid, u_int bit_pos, u_int val,
|
|
u_int no_reply)
|
|
{
|
|
|
|
return (set_tcb_field(sc, tid, W_TCB_T_FLAGS, 1ULL << bit_pos,
|
|
(uint64_t)val << bit_pos, no_reply));
|
|
}
|
|
|
|
int
|
|
t4_filter_rpl(struct sge_iq *iq, const struct rss_header *rss, struct mbuf *m)
|
|
{
|
|
struct adapter *sc = iq->adapter;
|
|
const struct cpl_set_tcb_rpl *rpl = (const void *)(rss + 1);
|
|
u_int tid = GET_TID(rpl);
|
|
u_int rc, idx;
|
|
struct filter_entry *f;
|
|
|
|
KASSERT(m == NULL, ("%s: payload with opcode %02x", __func__,
|
|
rss->opcode));
|
|
|
|
|
|
if (is_hpftid(sc, tid)) {
|
|
idx = tid - sc->tids.hpftid_base;
|
|
f = &sc->tids.hpftid_tab[idx];
|
|
} else if (is_ftid(sc, tid)) {
|
|
idx = tid - sc->tids.ftid_base;
|
|
f = &sc->tids.ftid_tab[idx];
|
|
} else
|
|
panic("%s: FW reply for invalid TID %d.", __func__, tid);
|
|
|
|
MPASS(f->tid == tid);
|
|
rc = G_COOKIE(rpl->cookie);
|
|
|
|
mtx_lock(&sc->tids.ftid_lock);
|
|
KASSERT(f->pending, ("%s: reply %d for filter[%u] that isn't pending.",
|
|
__func__, rc, tid));
|
|
switch(rc) {
|
|
case FW_FILTER_WR_FLT_ADDED:
|
|
/* set-filter succeeded */
|
|
f->valid = 1;
|
|
if (f->fs.newsmac) {
|
|
MPASS(f->smt != NULL);
|
|
set_tcb_tflag(sc, f->tid, S_TF_CCTRL_CWR, 1, 1);
|
|
set_tcb_field(sc, f->tid, W_TCB_SMAC_SEL,
|
|
V_TCB_SMAC_SEL(M_TCB_SMAC_SEL),
|
|
V_TCB_SMAC_SEL(f->smt->idx), 1);
|
|
/* XXX: wait for reply to TCB update before !pending */
|
|
}
|
|
break;
|
|
case FW_FILTER_WR_FLT_DELETED:
|
|
/* del-filter succeeded */
|
|
MPASS(f->valid == 1);
|
|
f->valid = 0;
|
|
/* Fall through */
|
|
case FW_FILTER_WR_SMT_TBL_FULL:
|
|
/* set-filter failed due to lack of SMT space. */
|
|
MPASS(f->valid == 0);
|
|
free_filter_resources(f);
|
|
if (separate_hpfilter_region(sc) && f->fs.prio)
|
|
sc->tids.hpftids_in_use--;
|
|
else
|
|
sc->tids.ftids_in_use--;
|
|
break;
|
|
case FW_FILTER_WR_SUCCESS:
|
|
case FW_FILTER_WR_EINVAL:
|
|
default:
|
|
panic("%s: unexpected reply %d for filter[%d].", __func__, rc,
|
|
idx);
|
|
}
|
|
f->pending = 0;
|
|
cv_broadcast(&sc->tids.ftid_cv);
|
|
mtx_unlock(&sc->tids.ftid_lock);
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* This is the reply to the Active Open that created the filter. Additional TCB
|
|
* updates may be required to complete the filter configuration.
|
|
*/
|
|
int
|
|
t4_hashfilter_ao_rpl(struct sge_iq *iq, const struct rss_header *rss,
|
|
struct mbuf *m)
|
|
{
|
|
struct adapter *sc = iq->adapter;
|
|
const struct cpl_act_open_rpl *cpl = (const void *)(rss + 1);
|
|
u_int atid = G_TID_TID(G_AOPEN_ATID(be32toh(cpl->atid_status)));
|
|
u_int status = G_AOPEN_STATUS(be32toh(cpl->atid_status));
|
|
struct filter_entry *f = lookup_atid(sc, atid);
|
|
|
|
KASSERT(m == NULL, ("%s: wasn't expecting payload", __func__));
|
|
|
|
mtx_lock(&sc->tids.hftid_lock);
|
|
KASSERT(f->pending, ("%s: hashfilter[%p] isn't pending.", __func__, f));
|
|
KASSERT(f->tid == -1, ("%s: hashfilter[%p] has tid %d already.",
|
|
__func__, f, f->tid));
|
|
if (status == CPL_ERR_NONE) {
|
|
f->tid = GET_TID(cpl);
|
|
MPASS(lookup_hftid(sc, f->tid) == NULL);
|
|
insert_hftid(sc, f);
|
|
/*
|
|
* Leave the filter pending until it is fully set up, which will
|
|
* be indicated by the reply to the last TCB update. No need to
|
|
* unblock the ioctl thread either.
|
|
*/
|
|
if (configure_hashfilter_tcb(sc, f) == EINPROGRESS)
|
|
goto done;
|
|
f->valid = 1;
|
|
f->pending = 0;
|
|
} else {
|
|
/* provide errno instead of tid to ioctl */
|
|
f->tid = act_open_rpl_status_to_errno(status);
|
|
f->valid = 0;
|
|
f->pending = 0;
|
|
if (act_open_has_tid(status))
|
|
release_tid(sc, GET_TID(cpl), &sc->sge.ctrlq[0]);
|
|
free_filter_resources(f);
|
|
remove_hf(sc, f);
|
|
if (f->locked == 0)
|
|
free(f, M_CXGBE);
|
|
}
|
|
cv_broadcast(&sc->tids.hftid_cv);
|
|
done:
|
|
mtx_unlock(&sc->tids.hftid_lock);
|
|
|
|
free_atid(sc, atid);
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
t4_hashfilter_tcb_rpl(struct sge_iq *iq, const struct rss_header *rss,
|
|
struct mbuf *m)
|
|
{
|
|
struct adapter *sc = iq->adapter;
|
|
const struct cpl_set_tcb_rpl *rpl = (const void *)(rss + 1);
|
|
u_int tid = GET_TID(rpl);
|
|
struct filter_entry *f;
|
|
|
|
mtx_lock(&sc->tids.hftid_lock);
|
|
f = lookup_hftid(sc, tid);
|
|
KASSERT(f->tid == tid, ("%s: filter tid mismatch", __func__));
|
|
KASSERT(f->pending, ("%s: hashfilter %p [%u] isn't pending.", __func__,
|
|
f, tid));
|
|
KASSERT(f->valid == 0, ("%s: hashfilter %p [%u] is valid already.",
|
|
__func__, f, tid));
|
|
f->pending = 0;
|
|
if (rpl->status == 0) {
|
|
f->valid = 1;
|
|
} else {
|
|
f->tid = EIO;
|
|
f->valid = 0;
|
|
free_filter_resources(f);
|
|
remove_hftid(sc, f);
|
|
remove_hf(sc, f);
|
|
release_tid(sc, tid, &sc->sge.ctrlq[0]);
|
|
if (f->locked == 0)
|
|
free(f, M_CXGBE);
|
|
}
|
|
cv_broadcast(&sc->tids.hftid_cv);
|
|
mtx_unlock(&sc->tids.hftid_lock);
|
|
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
t4_del_hashfilter_rpl(struct sge_iq *iq, const struct rss_header *rss,
|
|
struct mbuf *m)
|
|
{
|
|
struct adapter *sc = iq->adapter;
|
|
const struct cpl_abort_rpl_rss *cpl = (const void *)(rss + 1);
|
|
unsigned int tid = GET_TID(cpl);
|
|
struct filter_entry *f;
|
|
|
|
mtx_lock(&sc->tids.hftid_lock);
|
|
f = lookup_hftid(sc, tid);
|
|
KASSERT(f->tid == tid, ("%s: filter tid mismatch", __func__));
|
|
KASSERT(f->pending, ("%s: hashfilter %p [%u] isn't pending.", __func__,
|
|
f, tid));
|
|
KASSERT(f->valid, ("%s: hashfilter %p [%u] isn't valid.", __func__, f,
|
|
tid));
|
|
f->pending = 0;
|
|
if (cpl->status == 0) {
|
|
f->valid = 0;
|
|
free_filter_resources(f);
|
|
remove_hftid(sc, f);
|
|
remove_hf(sc, f);
|
|
release_tid(sc, tid, &sc->sge.ctrlq[0]);
|
|
if (f->locked == 0)
|
|
free(f, M_CXGBE);
|
|
}
|
|
cv_broadcast(&sc->tids.hftid_cv);
|
|
mtx_unlock(&sc->tids.hftid_lock);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
get_tcamfilter(struct adapter *sc, struct t4_filter *t)
|
|
{
|
|
int i, nfilters;
|
|
struct filter_entry *f;
|
|
u_int in_use;
|
|
#ifdef INVARIANTS
|
|
u_int tid_base;
|
|
#endif
|
|
|
|
MPASS(!t->fs.hash);
|
|
|
|
if (separate_hpfilter_region(sc) && t->fs.prio) {
|
|
nfilters = sc->tids.nhpftids;
|
|
f = sc->tids.hpftid_tab;
|
|
in_use = sc->tids.hpftids_in_use;
|
|
#ifdef INVARIANTS
|
|
tid_base = sc->tids.hpftid_base;
|
|
#endif
|
|
} else {
|
|
nfilters = sc->tids.nftids;
|
|
f = sc->tids.ftid_tab;
|
|
in_use = sc->tids.ftids_in_use;
|
|
#ifdef INVARIANTS
|
|
tid_base = sc->tids.ftid_base;
|
|
#endif
|
|
}
|
|
|
|
if (in_use == 0 || f == NULL || t->idx >= nfilters) {
|
|
t->idx = 0xffffffff;
|
|
return (0);
|
|
}
|
|
|
|
f += t->idx;
|
|
mtx_lock(&sc->tids.ftid_lock);
|
|
for (i = t->idx; i < nfilters; i++, f++) {
|
|
if (f->valid) {
|
|
MPASS(f->tid == tid_base + i);
|
|
t->idx = i;
|
|
t->l2tidx = f->l2te ? f->l2te->idx : 0;
|
|
t->smtidx = f->smt ? f->smt->idx : 0;
|
|
if (f->fs.hitcnts)
|
|
t->hits = get_filter_hits(sc, f->tid);
|
|
else
|
|
t->hits = UINT64_MAX;
|
|
t->fs = f->fs;
|
|
|
|
goto done;
|
|
}
|
|
}
|
|
t->idx = 0xffffffff;
|
|
done:
|
|
mtx_unlock(&sc->tids.ftid_lock);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
get_hashfilter(struct adapter *sc, struct t4_filter *t)
|
|
{
|
|
struct tid_info *ti = &sc->tids;
|
|
int tid;
|
|
struct filter_entry *f;
|
|
const int inv_tid = ti->ntids + ti->tid_base;
|
|
|
|
MPASS(t->fs.hash);
|
|
|
|
if (ti->tids_in_use == 0 || ti->hftid_hash_tid == NULL ||
|
|
t->idx >= inv_tid) {
|
|
t->idx = 0xffffffff;
|
|
return (0);
|
|
}
|
|
if (t->idx < ti->tid_base)
|
|
t->idx = ti->tid_base;
|
|
|
|
mtx_lock(&ti->hftid_lock);
|
|
for (tid = t->idx; tid < inv_tid; tid++) {
|
|
f = lookup_hftid(sc, tid);
|
|
if (f != NULL && f->valid) {
|
|
t->idx = tid;
|
|
t->l2tidx = f->l2te ? f->l2te->idx : 0;
|
|
t->smtidx = f->smt ? f->smt->idx : 0;
|
|
if (f->fs.hitcnts)
|
|
t->hits = get_filter_hits(sc, tid);
|
|
else
|
|
t->hits = UINT64_MAX;
|
|
t->fs = f->fs;
|
|
|
|
goto done;
|
|
}
|
|
}
|
|
t->idx = 0xffffffff;
|
|
done:
|
|
mtx_unlock(&ti->hftid_lock);
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
mk_act_open_req6(struct adapter *sc, struct filter_entry *f, int atid,
|
|
uint64_t ftuple, struct cpl_act_open_req6 *cpl)
|
|
{
|
|
struct cpl_t5_act_open_req6 *cpl5 = (void *)cpl;
|
|
struct cpl_t6_act_open_req6 *cpl6 = (void *)cpl;
|
|
|
|
/* Review changes to CPL after cpl_t6_act_open_req if this goes off. */
|
|
MPASS(chip_id(sc) >= CHELSIO_T5 && chip_id(sc) <= CHELSIO_T6);
|
|
MPASS(atid >= 0);
|
|
|
|
if (chip_id(sc) == CHELSIO_T5) {
|
|
INIT_TP_WR(cpl5, 0);
|
|
} else {
|
|
INIT_TP_WR(cpl6, 0);
|
|
cpl6->rsvd2 = 0;
|
|
cpl6->opt3 = 0;
|
|
}
|
|
|
|
OPCODE_TID(cpl) = htobe32(MK_OPCODE_TID(CPL_ACT_OPEN_REQ6,
|
|
V_TID_QID(sc->sge.fwq.abs_id) | V_TID_TID(atid) |
|
|
V_TID_COOKIE(CPL_COOKIE_HASHFILTER)));
|
|
cpl->local_port = htobe16(f->fs.val.dport);
|
|
cpl->peer_port = htobe16(f->fs.val.sport);
|
|
cpl->local_ip_hi = *(uint64_t *)(&f->fs.val.dip);
|
|
cpl->local_ip_lo = *(((uint64_t *)&f->fs.val.dip) + 1);
|
|
cpl->peer_ip_hi = *(uint64_t *)(&f->fs.val.sip);
|
|
cpl->peer_ip_lo = *(((uint64_t *)&f->fs.val.sip) + 1);
|
|
cpl->opt0 = htobe64(V_NAGLE(f->fs.newvlan == VLAN_REMOVE ||
|
|
f->fs.newvlan == VLAN_REWRITE) | V_DELACK(f->fs.hitcnts) |
|
|
V_L2T_IDX(f->l2te ? f->l2te->idx : 0) | V_TX_CHAN(f->fs.eport) |
|
|
V_NO_CONG(f->fs.rpttid) |
|
|
V_ULP_MODE(f->fs.nat_mode ? ULP_MODE_TCPDDP : ULP_MODE_NONE) |
|
|
F_TCAM_BYPASS | F_NON_OFFLOAD);
|
|
|
|
cpl6->params = htobe64(V_FILTER_TUPLE(ftuple));
|
|
cpl6->opt2 = htobe32(F_RSS_QUEUE_VALID | V_RSS_QUEUE(f->fs.iq) |
|
|
V_TX_QUEUE(f->fs.nat_mode) | V_WND_SCALE_EN(f->fs.nat_flag_chk) |
|
|
V_RX_FC_DISABLE(f->fs.nat_seq_chk ? 1 : 0) | F_T5_OPT_2_VALID |
|
|
F_RX_CHANNEL | V_SACK_EN(f->fs.swapmac) |
|
|
V_CONG_CNTRL((f->fs.action == FILTER_DROP) | (f->fs.dirsteer << 1)) |
|
|
V_PACE(f->fs.maskhash | (f->fs.dirsteerhash << 1)));
|
|
}
|
|
|
|
static void
|
|
mk_act_open_req(struct adapter *sc, struct filter_entry *f, int atid,
|
|
uint64_t ftuple, struct cpl_act_open_req *cpl)
|
|
{
|
|
struct cpl_t5_act_open_req *cpl5 = (void *)cpl;
|
|
struct cpl_t6_act_open_req *cpl6 = (void *)cpl;
|
|
|
|
/* Review changes to CPL after cpl_t6_act_open_req if this goes off. */
|
|
MPASS(chip_id(sc) >= CHELSIO_T5 && chip_id(sc) <= CHELSIO_T6);
|
|
MPASS(atid >= 0);
|
|
|
|
if (chip_id(sc) == CHELSIO_T5) {
|
|
INIT_TP_WR(cpl5, 0);
|
|
} else {
|
|
INIT_TP_WR(cpl6, 0);
|
|
cpl6->rsvd2 = 0;
|
|
cpl6->opt3 = 0;
|
|
}
|
|
|
|
OPCODE_TID(cpl) = htobe32(MK_OPCODE_TID(CPL_ACT_OPEN_REQ,
|
|
V_TID_QID(sc->sge.fwq.abs_id) | V_TID_TID(atid) |
|
|
V_TID_COOKIE(CPL_COOKIE_HASHFILTER)));
|
|
cpl->local_port = htobe16(f->fs.val.dport);
|
|
cpl->peer_port = htobe16(f->fs.val.sport);
|
|
cpl->local_ip = f->fs.val.dip[0] | f->fs.val.dip[1] << 8 |
|
|
f->fs.val.dip[2] << 16 | f->fs.val.dip[3] << 24;
|
|
cpl->peer_ip = f->fs.val.sip[0] | f->fs.val.sip[1] << 8 |
|
|
f->fs.val.sip[2] << 16 | f->fs.val.sip[3] << 24;
|
|
cpl->opt0 = htobe64(V_NAGLE(f->fs.newvlan == VLAN_REMOVE ||
|
|
f->fs.newvlan == VLAN_REWRITE) | V_DELACK(f->fs.hitcnts) |
|
|
V_L2T_IDX(f->l2te ? f->l2te->idx : 0) | V_TX_CHAN(f->fs.eport) |
|
|
V_NO_CONG(f->fs.rpttid) |
|
|
V_ULP_MODE(f->fs.nat_mode ? ULP_MODE_TCPDDP : ULP_MODE_NONE) |
|
|
F_TCAM_BYPASS | F_NON_OFFLOAD);
|
|
|
|
cpl6->params = htobe64(V_FILTER_TUPLE(ftuple));
|
|
cpl6->opt2 = htobe32(F_RSS_QUEUE_VALID | V_RSS_QUEUE(f->fs.iq) |
|
|
V_TX_QUEUE(f->fs.nat_mode) | V_WND_SCALE_EN(f->fs.nat_flag_chk) |
|
|
V_RX_FC_DISABLE(f->fs.nat_seq_chk ? 1 : 0) | F_T5_OPT_2_VALID |
|
|
F_RX_CHANNEL | V_SACK_EN(f->fs.swapmac) |
|
|
V_CONG_CNTRL((f->fs.action == FILTER_DROP) | (f->fs.dirsteer << 1)) |
|
|
V_PACE(f->fs.maskhash | (f->fs.dirsteerhash << 1)));
|
|
}
|
|
|
|
static int
|
|
act_open_cpl_len16(struct adapter *sc, int isipv6)
|
|
{
|
|
int idx;
|
|
static const int sz_table[3][2] = {
|
|
{
|
|
howmany(sizeof (struct cpl_act_open_req), 16),
|
|
howmany(sizeof (struct cpl_act_open_req6), 16)
|
|
},
|
|
{
|
|
howmany(sizeof (struct cpl_t5_act_open_req), 16),
|
|
howmany(sizeof (struct cpl_t5_act_open_req6), 16)
|
|
},
|
|
{
|
|
howmany(sizeof (struct cpl_t6_act_open_req), 16),
|
|
howmany(sizeof (struct cpl_t6_act_open_req6), 16)
|
|
},
|
|
};
|
|
|
|
MPASS(chip_id(sc) >= CHELSIO_T4);
|
|
idx = min(chip_id(sc) - CHELSIO_T4, 2);
|
|
|
|
return (sz_table[idx][!!isipv6]);
|
|
}
|
|
|
|
static int
|
|
set_hashfilter(struct adapter *sc, struct t4_filter *t, uint64_t ftuple,
|
|
struct l2t_entry *l2te, struct smt_entry *smt)
|
|
{
|
|
void *wr;
|
|
struct wrq_cookie cookie;
|
|
struct filter_entry *f;
|
|
int rc, atid = -1;
|
|
uint32_t hash;
|
|
|
|
MPASS(t->fs.hash);
|
|
/* Already validated against fconf, iconf */
|
|
MPASS((t->fs.val.pfvf_vld & t->fs.val.ovlan_vld) == 0);
|
|
MPASS((t->fs.mask.pfvf_vld & t->fs.mask.ovlan_vld) == 0);
|
|
|
|
hash = hf_hashfn_4t(&t->fs);
|
|
|
|
mtx_lock(&sc->tids.hftid_lock);
|
|
if (lookup_hf(sc, &t->fs, hash) != NULL) {
|
|
rc = EEXIST;
|
|
goto done;
|
|
}
|
|
|
|
f = malloc(sizeof(*f), M_CXGBE, M_ZERO | M_NOWAIT);
|
|
if (__predict_false(f == NULL)) {
|
|
rc = ENOMEM;
|
|
goto done;
|
|
}
|
|
f->fs = t->fs;
|
|
f->l2te = l2te;
|
|
f->smt = smt;
|
|
|
|
atid = alloc_atid(sc, f);
|
|
if (__predict_false(atid) == -1) {
|
|
free(f, M_CXGBE);
|
|
rc = EAGAIN;
|
|
goto done;
|
|
}
|
|
MPASS(atid >= 0);
|
|
|
|
wr = start_wrq_wr(&sc->sge.ctrlq[0], act_open_cpl_len16(sc, f->fs.type),
|
|
&cookie);
|
|
if (wr == NULL) {
|
|
free_atid(sc, atid);
|
|
free(f, M_CXGBE);
|
|
rc = ENOMEM;
|
|
goto done;
|
|
}
|
|
if (f->fs.type)
|
|
mk_act_open_req6(sc, f, atid, ftuple, wr);
|
|
else
|
|
mk_act_open_req(sc, f, atid, ftuple, wr);
|
|
|
|
f->locked = 1; /* ithread mustn't free f if ioctl is still around. */
|
|
f->pending = 1;
|
|
f->tid = -1;
|
|
insert_hf(sc, f, hash);
|
|
commit_wrq_wr(&sc->sge.ctrlq[0], wr, &cookie);
|
|
|
|
for (;;) {
|
|
MPASS(f->locked);
|
|
if (f->pending == 0) {
|
|
if (f->valid) {
|
|
rc = 0;
|
|
f->locked = 0;
|
|
t->idx = f->tid;
|
|
} else {
|
|
rc = f->tid;
|
|
free(f, M_CXGBE);
|
|
}
|
|
break;
|
|
}
|
|
if (cv_wait_sig(&sc->tids.hftid_cv, &sc->tids.hftid_lock) != 0) {
|
|
f->locked = 0;
|
|
rc = EINPROGRESS;
|
|
break;
|
|
}
|
|
}
|
|
done:
|
|
mtx_unlock(&sc->tids.hftid_lock);
|
|
return (rc);
|
|
}
|
|
|
|
/* SET_TCB_FIELD sent as a ULP command looks like this */
|
|
#define LEN__SET_TCB_FIELD_ULP (sizeof(struct ulp_txpkt) + \
|
|
sizeof(struct ulptx_idata) + sizeof(struct cpl_set_tcb_field_core))
|
|
|
|
static void *
|
|
mk_set_tcb_field_ulp(struct ulp_txpkt *ulpmc, uint64_t word, uint64_t mask,
|
|
uint64_t val, uint32_t tid, uint32_t qid)
|
|
{
|
|
struct ulptx_idata *ulpsc;
|
|
struct cpl_set_tcb_field_core *req;
|
|
|
|
ulpmc->cmd_dest = htonl(V_ULPTX_CMD(ULP_TX_PKT) | V_ULP_TXPKT_DEST(0));
|
|
ulpmc->len = htobe32(howmany(LEN__SET_TCB_FIELD_ULP, 16));
|
|
|
|
ulpsc = (struct ulptx_idata *)(ulpmc + 1);
|
|
ulpsc->cmd_more = htobe32(V_ULPTX_CMD(ULP_TX_SC_IMM));
|
|
ulpsc->len = htobe32(sizeof(*req));
|
|
|
|
req = (struct cpl_set_tcb_field_core *)(ulpsc + 1);
|
|
OPCODE_TID(req) = htobe32(MK_OPCODE_TID(CPL_SET_TCB_FIELD, tid));
|
|
req->reply_ctrl = htobe16(V_NO_REPLY(1) | V_QUEUENO(qid));
|
|
req->word_cookie = htobe16(V_WORD(word) | V_COOKIE(0));
|
|
req->mask = htobe64(mask);
|
|
req->val = htobe64(val);
|
|
|
|
ulpsc = (struct ulptx_idata *)(req + 1);
|
|
if (LEN__SET_TCB_FIELD_ULP % 16) {
|
|
ulpsc->cmd_more = htobe32(V_ULPTX_CMD(ULP_TX_SC_NOOP));
|
|
ulpsc->len = htobe32(0);
|
|
return (ulpsc + 1);
|
|
}
|
|
return (ulpsc);
|
|
}
|
|
|
|
/* ABORT_REQ sent as a ULP command looks like this */
|
|
#define LEN__ABORT_REQ_ULP (sizeof(struct ulp_txpkt) + \
|
|
sizeof(struct ulptx_idata) + sizeof(struct cpl_abort_req_core))
|
|
|
|
static void *
|
|
mk_abort_req_ulp(struct ulp_txpkt *ulpmc, uint32_t tid)
|
|
{
|
|
struct ulptx_idata *ulpsc;
|
|
struct cpl_abort_req_core *req;
|
|
|
|
ulpmc->cmd_dest = htonl(V_ULPTX_CMD(ULP_TX_PKT) | V_ULP_TXPKT_DEST(0));
|
|
ulpmc->len = htobe32(howmany(LEN__ABORT_REQ_ULP, 16));
|
|
|
|
ulpsc = (struct ulptx_idata *)(ulpmc + 1);
|
|
ulpsc->cmd_more = htobe32(V_ULPTX_CMD(ULP_TX_SC_IMM));
|
|
ulpsc->len = htobe32(sizeof(*req));
|
|
|
|
req = (struct cpl_abort_req_core *)(ulpsc + 1);
|
|
OPCODE_TID(req) = htobe32(MK_OPCODE_TID(CPL_ABORT_REQ, tid));
|
|
req->rsvd0 = htonl(0);
|
|
req->rsvd1 = 0;
|
|
req->cmd = CPL_ABORT_NO_RST;
|
|
|
|
ulpsc = (struct ulptx_idata *)(req + 1);
|
|
if (LEN__ABORT_REQ_ULP % 16) {
|
|
ulpsc->cmd_more = htobe32(V_ULPTX_CMD(ULP_TX_SC_NOOP));
|
|
ulpsc->len = htobe32(0);
|
|
return (ulpsc + 1);
|
|
}
|
|
return (ulpsc);
|
|
}
|
|
|
|
/* ABORT_RPL sent as a ULP command looks like this */
|
|
#define LEN__ABORT_RPL_ULP (sizeof(struct ulp_txpkt) + \
|
|
sizeof(struct ulptx_idata) + sizeof(struct cpl_abort_rpl_core))
|
|
|
|
static void *
|
|
mk_abort_rpl_ulp(struct ulp_txpkt *ulpmc, uint32_t tid)
|
|
{
|
|
struct ulptx_idata *ulpsc;
|
|
struct cpl_abort_rpl_core *rpl;
|
|
|
|
ulpmc->cmd_dest = htonl(V_ULPTX_CMD(ULP_TX_PKT) | V_ULP_TXPKT_DEST(0));
|
|
ulpmc->len = htobe32(howmany(LEN__ABORT_RPL_ULP, 16));
|
|
|
|
ulpsc = (struct ulptx_idata *)(ulpmc + 1);
|
|
ulpsc->cmd_more = htobe32(V_ULPTX_CMD(ULP_TX_SC_IMM));
|
|
ulpsc->len = htobe32(sizeof(*rpl));
|
|
|
|
rpl = (struct cpl_abort_rpl_core *)(ulpsc + 1);
|
|
OPCODE_TID(rpl) = htobe32(MK_OPCODE_TID(CPL_ABORT_RPL, tid));
|
|
rpl->rsvd0 = htonl(0);
|
|
rpl->rsvd1 = 0;
|
|
rpl->cmd = CPL_ABORT_NO_RST;
|
|
|
|
ulpsc = (struct ulptx_idata *)(rpl + 1);
|
|
if (LEN__ABORT_RPL_ULP % 16) {
|
|
ulpsc->cmd_more = htobe32(V_ULPTX_CMD(ULP_TX_SC_NOOP));
|
|
ulpsc->len = htobe32(0);
|
|
return (ulpsc + 1);
|
|
}
|
|
return (ulpsc);
|
|
}
|
|
|
|
static inline int
|
|
del_hashfilter_wrlen(void)
|
|
{
|
|
|
|
return (sizeof(struct work_request_hdr) +
|
|
roundup2(LEN__SET_TCB_FIELD_ULP, 16) +
|
|
roundup2(LEN__ABORT_REQ_ULP, 16) +
|
|
roundup2(LEN__ABORT_RPL_ULP, 16));
|
|
}
|
|
|
|
static void
|
|
mk_del_hashfilter_wr(int tid, struct work_request_hdr *wrh, int wrlen, int qid)
|
|
{
|
|
struct ulp_txpkt *ulpmc;
|
|
|
|
INIT_ULPTX_WRH(wrh, wrlen, 0, 0);
|
|
ulpmc = (struct ulp_txpkt *)(wrh + 1);
|
|
ulpmc = mk_set_tcb_field_ulp(ulpmc, W_TCB_RSS_INFO,
|
|
V_TCB_RSS_INFO(M_TCB_RSS_INFO), V_TCB_RSS_INFO(qid), tid, 0);
|
|
ulpmc = mk_abort_req_ulp(ulpmc, tid);
|
|
ulpmc = mk_abort_rpl_ulp(ulpmc, tid);
|
|
}
|
|
|
|
static int
|
|
del_hashfilter(struct adapter *sc, struct t4_filter *t)
|
|
{
|
|
struct tid_info *ti = &sc->tids;
|
|
void *wr;
|
|
struct filter_entry *f;
|
|
struct wrq_cookie cookie;
|
|
int rc;
|
|
const int wrlen = del_hashfilter_wrlen();
|
|
const int inv_tid = ti->ntids + ti->tid_base;
|
|
|
|
MPASS(sc->tids.hftid_hash_4t != NULL);
|
|
MPASS(sc->tids.ntids > 0);
|
|
|
|
if (t->idx < sc->tids.tid_base || t->idx >= inv_tid)
|
|
return (EINVAL);
|
|
|
|
mtx_lock(&ti->hftid_lock);
|
|
f = lookup_hftid(sc, t->idx);
|
|
if (f == NULL || f->valid == 0) {
|
|
rc = EINVAL;
|
|
goto done;
|
|
}
|
|
MPASS(f->tid == t->idx);
|
|
if (f->locked) {
|
|
rc = EPERM;
|
|
goto done;
|
|
}
|
|
if (f->pending) {
|
|
rc = EBUSY;
|
|
goto done;
|
|
}
|
|
wr = start_wrq_wr(&sc->sge.ctrlq[0], howmany(wrlen, 16), &cookie);
|
|
if (wr == NULL) {
|
|
rc = ENOMEM;
|
|
goto done;
|
|
}
|
|
|
|
mk_del_hashfilter_wr(t->idx, wr, wrlen, sc->sge.fwq.abs_id);
|
|
f->locked = 1;
|
|
f->pending = 1;
|
|
commit_wrq_wr(&sc->sge.ctrlq[0], wr, &cookie);
|
|
t->fs = f->fs; /* extra info for the caller */
|
|
|
|
for (;;) {
|
|
MPASS(f->locked);
|
|
if (f->pending == 0) {
|
|
if (f->valid) {
|
|
f->locked = 0;
|
|
rc = EIO;
|
|
} else {
|
|
rc = 0;
|
|
free(f, M_CXGBE);
|
|
}
|
|
break;
|
|
}
|
|
if (cv_wait_sig(&ti->hftid_cv, &ti->hftid_lock) != 0) {
|
|
f->locked = 0;
|
|
rc = EINPROGRESS;
|
|
break;
|
|
}
|
|
}
|
|
done:
|
|
mtx_unlock(&ti->hftid_lock);
|
|
return (rc);
|
|
}
|
|
|
|
#define WORD_MASK 0xffffffff
|
|
static void
|
|
set_nat_params(struct adapter *sc, struct filter_entry *f, const bool dip,
|
|
const bool sip, const bool dp, const bool sp)
|
|
{
|
|
|
|
if (dip) {
|
|
if (f->fs.type) {
|
|
set_tcb_field(sc, f->tid, W_TCB_SND_UNA_RAW, WORD_MASK,
|
|
f->fs.nat_dip[15] | f->fs.nat_dip[14] << 8 |
|
|
f->fs.nat_dip[13] << 16 | f->fs.nat_dip[12] << 24, 1);
|
|
|
|
set_tcb_field(sc, f->tid,
|
|
W_TCB_SND_UNA_RAW + 1, WORD_MASK,
|
|
f->fs.nat_dip[11] | f->fs.nat_dip[10] << 8 |
|
|
f->fs.nat_dip[9] << 16 | f->fs.nat_dip[8] << 24, 1);
|
|
|
|
set_tcb_field(sc, f->tid,
|
|
W_TCB_SND_UNA_RAW + 2, WORD_MASK,
|
|
f->fs.nat_dip[7] | f->fs.nat_dip[6] << 8 |
|
|
f->fs.nat_dip[5] << 16 | f->fs.nat_dip[4] << 24, 1);
|
|
|
|
set_tcb_field(sc, f->tid,
|
|
W_TCB_SND_UNA_RAW + 3, WORD_MASK,
|
|
f->fs.nat_dip[3] | f->fs.nat_dip[2] << 8 |
|
|
f->fs.nat_dip[1] << 16 | f->fs.nat_dip[0] << 24, 1);
|
|
} else {
|
|
set_tcb_field(sc, f->tid,
|
|
W_TCB_RX_FRAG3_LEN_RAW, WORD_MASK,
|
|
f->fs.nat_dip[3] | f->fs.nat_dip[2] << 8 |
|
|
f->fs.nat_dip[1] << 16 | f->fs.nat_dip[0] << 24, 1);
|
|
}
|
|
}
|
|
|
|
if (sip) {
|
|
if (f->fs.type) {
|
|
set_tcb_field(sc, f->tid,
|
|
W_TCB_RX_FRAG2_PTR_RAW, WORD_MASK,
|
|
f->fs.nat_sip[15] | f->fs.nat_sip[14] << 8 |
|
|
f->fs.nat_sip[13] << 16 | f->fs.nat_sip[12] << 24, 1);
|
|
|
|
set_tcb_field(sc, f->tid,
|
|
W_TCB_RX_FRAG2_PTR_RAW + 1, WORD_MASK,
|
|
f->fs.nat_sip[11] | f->fs.nat_sip[10] << 8 |
|
|
f->fs.nat_sip[9] << 16 | f->fs.nat_sip[8] << 24, 1);
|
|
|
|
set_tcb_field(sc, f->tid,
|
|
W_TCB_RX_FRAG2_PTR_RAW + 2, WORD_MASK,
|
|
f->fs.nat_sip[7] | f->fs.nat_sip[6] << 8 |
|
|
f->fs.nat_sip[5] << 16 | f->fs.nat_sip[4] << 24, 1);
|
|
|
|
set_tcb_field(sc, f->tid,
|
|
W_TCB_RX_FRAG2_PTR_RAW + 3, WORD_MASK,
|
|
f->fs.nat_sip[3] | f->fs.nat_sip[2] << 8 |
|
|
f->fs.nat_sip[1] << 16 | f->fs.nat_sip[0] << 24, 1);
|
|
|
|
} else {
|
|
set_tcb_field(sc, f->tid,
|
|
W_TCB_RX_FRAG3_START_IDX_OFFSET_RAW, WORD_MASK,
|
|
f->fs.nat_sip[3] | f->fs.nat_sip[2] << 8 |
|
|
f->fs.nat_sip[1] << 16 | f->fs.nat_sip[0] << 24, 1);
|
|
}
|
|
}
|
|
|
|
set_tcb_field(sc, f->tid, W_TCB_PDU_HDR_LEN, WORD_MASK,
|
|
(dp ? f->fs.nat_dport : 0) | (sp ? f->fs.nat_sport << 16 : 0), 1);
|
|
}
|
|
|
|
/*
|
|
* Returns EINPROGRESS to indicate that at least one TCB update was sent and the
|
|
* last of the series of updates requested a reply. The reply informs the
|
|
* driver that the filter is fully setup.
|
|
*/
|
|
static int
|
|
configure_hashfilter_tcb(struct adapter *sc, struct filter_entry *f)
|
|
{
|
|
int updated = 0;
|
|
|
|
MPASS(f->tid < sc->tids.ntids);
|
|
MPASS(f->fs.hash);
|
|
MPASS(f->pending);
|
|
MPASS(f->valid == 0);
|
|
|
|
if (f->fs.newdmac) {
|
|
set_tcb_tflag(sc, f->tid, S_TF_CCTRL_ECE, 1, 1);
|
|
updated++;
|
|
}
|
|
|
|
if (f->fs.newvlan == VLAN_INSERT || f->fs.newvlan == VLAN_REWRITE) {
|
|
set_tcb_tflag(sc, f->tid, S_TF_CCTRL_RFR, 1, 1);
|
|
updated++;
|
|
}
|
|
|
|
if (f->fs.newsmac) {
|
|
MPASS(f->smt != NULL);
|
|
set_tcb_tflag(sc, f->tid, S_TF_CCTRL_CWR, 1, 1);
|
|
set_tcb_field(sc, f->tid, W_TCB_SMAC_SEL,
|
|
V_TCB_SMAC_SEL(M_TCB_SMAC_SEL), V_TCB_SMAC_SEL(f->smt->idx),
|
|
1);
|
|
updated++;
|
|
}
|
|
|
|
switch(f->fs.nat_mode) {
|
|
case NAT_MODE_NONE:
|
|
break;
|
|
case NAT_MODE_DIP:
|
|
set_nat_params(sc, f, true, false, false, false);
|
|
updated++;
|
|
break;
|
|
case NAT_MODE_DIP_DP:
|
|
set_nat_params(sc, f, true, false, true, false);
|
|
updated++;
|
|
break;
|
|
case NAT_MODE_DIP_DP_SIP:
|
|
set_nat_params(sc, f, true, true, true, false);
|
|
updated++;
|
|
break;
|
|
case NAT_MODE_DIP_DP_SP:
|
|
set_nat_params(sc, f, true, false, true, true);
|
|
updated++;
|
|
break;
|
|
case NAT_MODE_SIP_SP:
|
|
set_nat_params(sc, f, false, true, false, true);
|
|
updated++;
|
|
break;
|
|
case NAT_MODE_DIP_SIP_SP:
|
|
set_nat_params(sc, f, true, true, false, true);
|
|
updated++;
|
|
break;
|
|
case NAT_MODE_ALL:
|
|
set_nat_params(sc, f, true, true, true, true);
|
|
updated++;
|
|
break;
|
|
default:
|
|
MPASS(0); /* should have been validated earlier */
|
|
break;
|
|
|
|
}
|
|
|
|
if (f->fs.nat_seq_chk) {
|
|
set_tcb_field(sc, f->tid, W_TCB_RCV_NXT,
|
|
V_TCB_RCV_NXT(M_TCB_RCV_NXT),
|
|
V_TCB_RCV_NXT(f->fs.nat_seq_chk), 1);
|
|
updated++;
|
|
}
|
|
|
|
if (is_t5(sc) && f->fs.action == FILTER_DROP) {
|
|
/*
|
|
* Migrating = 1, Non-offload = 0 to get a T5 hashfilter to drop.
|
|
*/
|
|
set_tcb_field(sc, f->tid, W_TCB_T_FLAGS, V_TF_NON_OFFLOAD(1) |
|
|
V_TF_MIGRATING(1), V_TF_MIGRATING(1), 1);
|
|
updated++;
|
|
}
|
|
|
|
/*
|
|
* Enable switching after all secondary resources (L2T entry, SMT entry,
|
|
* etc.) are setup so that any switched packet will use correct
|
|
* values.
|
|
*/
|
|
if (f->fs.action == FILTER_SWITCH) {
|
|
set_tcb_tflag(sc, f->tid, S_TF_CCTRL_ECN, 1, 1);
|
|
updated++;
|
|
}
|
|
|
|
if (f->fs.hitcnts || updated > 0) {
|
|
set_tcb_field(sc, f->tid, W_TCB_TIMESTAMP,
|
|
V_TCB_TIMESTAMP(M_TCB_TIMESTAMP) |
|
|
V_TCB_T_RTT_TS_RECENT_AGE(M_TCB_T_RTT_TS_RECENT_AGE),
|
|
V_TCB_TIMESTAMP(0ULL) | V_TCB_T_RTT_TS_RECENT_AGE(0ULL), 0);
|
|
return (EINPROGRESS);
|
|
}
|
|
|
|
return (0);
|
|
}
|