#define T4_MSG_H
enum {
+ CPL_ACT_OPEN_REQ = 0x3,
+ CPL_ACT_OPEN_RPL = 0x25,
CPL_SET_TCB_RPL = 0x3A,
+ CPL_ACT_OPEN_REQ6 = 0x83,
CPL_SGE_EGR_UPDATE = 0xA5,
CPL_FW4_MSG = 0xC0,
CPL_FW6_MSG = 0xE0,
CPL_TX_PKT_XT = 0xEE,
};
+enum CPL_error {
+ CPL_ERR_NONE = 0,
+ CPL_ERR_TCAM_FULL = 3,
+};
+
+enum {
+ ULP_MODE_NONE = 0,
+};
+
enum { /* TX_PKT_XT checksum types */
TX_CSUM_TCPIP = 8,
TX_CSUM_UDPIP = 9,
__u8 opcode;
};
+#define S_CPL_OPCODE 24
+#define V_CPL_OPCODE(x) ((x) << S_CPL_OPCODE)
+
#define G_TID(x) ((x) & 0xFFFFFF)
+/* tid is assumed to be 24-bits */
+#define MK_OPCODE_TID(opcode, tid) (V_CPL_OPCODE(opcode) | (tid))
+
#define OPCODE_TID(cmd) ((cmd)->ot.opcode_tid)
/* extract the TID from a CPL command */
#define GET_TID(cmd) (G_TID(be32_to_cpu(OPCODE_TID(cmd))))
+/* partitioning of TID fields that also carry a queue id */
+#define S_TID_TID 0
+#define M_TID_TID 0x3fff
+#define G_TID_TID(x) (((x) >> S_TID_TID) & M_TID_TID)
+
struct rss_header {
__u8 opcode;
#if RTE_BYTE_ORDER == RTE_LITTLE_ENDIAN
#define V_COOKIE(x) ((x) << S_COOKIE)
#define G_COOKIE(x) (((x) >> S_COOKIE) & M_COOKIE)
+/* option 0 fields */
+#define S_DELACK 5
+#define V_DELACK(x) ((x) << S_DELACK)
+
+#define S_NON_OFFLOAD 7
+#define V_NON_OFFLOAD(x) ((x) << S_NON_OFFLOAD)
+#define F_NON_OFFLOAD V_NON_OFFLOAD(1U)
+
+#define S_ULP_MODE 8
+#define V_ULP_MODE(x) ((x) << S_ULP_MODE)
+
+#define S_SMAC_SEL 28
+#define V_SMAC_SEL(x) ((__u64)(x) << S_SMAC_SEL)
+
+#define S_TCAM_BYPASS 48
+#define V_TCAM_BYPASS(x) ((__u64)(x) << S_TCAM_BYPASS)
+#define F_TCAM_BYPASS V_TCAM_BYPASS(1ULL)
+
+/* option 2 fields */
+#define S_RSS_QUEUE 0
+#define V_RSS_QUEUE(x) ((x) << S_RSS_QUEUE)
+
+#define S_RSS_QUEUE_VALID 10
+#define V_RSS_QUEUE_VALID(x) ((x) << S_RSS_QUEUE_VALID)
+#define F_RSS_QUEUE_VALID V_RSS_QUEUE_VALID(1U)
+
+#define S_CONG_CNTRL 14
+#define V_CONG_CNTRL(x) ((x) << S_CONG_CNTRL)
+
+#define S_RX_CHANNEL 26
+#define V_RX_CHANNEL(x) ((x) << S_RX_CHANNEL)
+#define F_RX_CHANNEL V_RX_CHANNEL(1U)
+
+#define S_T5_OPT_2_VALID 31
+#define V_T5_OPT_2_VALID(x) ((x) << S_T5_OPT_2_VALID)
+#define F_T5_OPT_2_VALID V_T5_OPT_2_VALID(1U)
+
+struct cpl_t6_act_open_req {
+ WR_HDR;
+ union opcode_tid ot;
+ __be16 local_port;
+ __be16 peer_port;
+ __be32 local_ip;
+ __be32 peer_ip;
+ __be64 opt0;
+ __be32 rsvd;
+ __be32 opt2;
+ __be64 params;
+ __be32 rsvd2;
+ __be32 opt3;
+};
+
+struct cpl_t6_act_open_req6 {
+ WR_HDR;
+ union opcode_tid ot;
+ __be16 local_port;
+ __be16 peer_port;
+ __be64 local_ip_hi;
+ __be64 local_ip_lo;
+ __be64 peer_ip_hi;
+ __be64 peer_ip_lo;
+ __be64 opt0;
+ __be32 rsvd;
+ __be32 opt2;
+ __be64 params;
+ __be32 rsvd2;
+ __be32 opt3;
+};
+
+#define S_FILTER_TUPLE 24
+#define V_FILTER_TUPLE(x) ((x) << S_FILTER_TUPLE)
+
+struct cpl_act_open_rpl {
+ RSS_HDR
+ union opcode_tid ot;
+ __be32 atid_status;
+};
+
+/* cpl_act_open_rpl.atid_status fields */
+#define S_AOPEN_STATUS 0
+#define M_AOPEN_STATUS 0xFF
+#define G_AOPEN_STATUS(x) (((x) >> S_AOPEN_STATUS) & M_AOPEN_STATUS)
+
+#define S_AOPEN_ATID 8
+#define M_AOPEN_ATID 0xFFFFFF
+#define G_AOPEN_ATID(x) (((x) >> S_AOPEN_ATID) & M_AOPEN_ATID)
+
struct cpl_set_tcb_rpl {
RSS_HDR
union opcode_tid ot;
* Copyright(c) 2018 Chelsio Communications.
* All rights reserved.
*/
-
+#include <rte_net.h>
#include "common.h"
#include "t4_regs.h"
#include "cxgbe_filter.h"
return pos < size ? pos : -1;
}
+/**
+ * Construct hash filter ntuple.
+ */
+static u64 hash_filter_ntuple(const struct filter_entry *f)
+{
+ struct adapter *adap = ethdev2adap(f->dev);
+ struct tp_params *tp = &adap->params.tp;
+ u64 ntuple = 0;
+ u16 tcp_proto = IPPROTO_TCP; /* TCP Protocol Number */
+
+ if (tp->protocol_shift >= 0) {
+ if (!f->fs.val.proto)
+ ntuple |= (u64)tcp_proto << tp->protocol_shift;
+ else
+ ntuple |= (u64)f->fs.val.proto << tp->protocol_shift;
+ }
+
+ if (tp->ethertype_shift >= 0 && f->fs.mask.ethtype)
+ ntuple |= (u64)(f->fs.val.ethtype) << tp->ethertype_shift;
+
+ if (ntuple != tp->hash_filter_mask)
+ return 0;
+
+ return ntuple;
+}
+
+/**
+ * Build a ACT_OPEN_REQ6 message for setting IPv6 hash filter.
+ */
+static void mk_act_open_req6(struct filter_entry *f, struct rte_mbuf *mbuf,
+ unsigned int qid_filterid, struct adapter *adap)
+{
+ struct cpl_t6_act_open_req6 *req = NULL;
+ u64 local_lo, local_hi, peer_lo, peer_hi;
+ u32 *lip = (u32 *)f->fs.val.lip;
+ u32 *fip = (u32 *)f->fs.val.fip;
+
+ switch (CHELSIO_CHIP_VERSION(adap->params.chip)) {
+ case CHELSIO_T6:
+ req = rte_pktmbuf_mtod(mbuf, struct cpl_t6_act_open_req6 *);
+
+ INIT_TP_WR(req, 0);
+ break;
+ default:
+ dev_err(adap, "%s: unsupported chip type!\n", __func__);
+ return;
+ }
+
+ local_hi = ((u64)lip[1]) << 32 | lip[0];
+ local_lo = ((u64)lip[3]) << 32 | lip[2];
+ peer_hi = ((u64)fip[1]) << 32 | fip[0];
+ peer_lo = ((u64)fip[3]) << 32 | fip[2];
+
+ OPCODE_TID(req) = cpu_to_be32(MK_OPCODE_TID(CPL_ACT_OPEN_REQ6,
+ qid_filterid));
+ req->local_port = cpu_to_be16(f->fs.val.lport);
+ req->peer_port = cpu_to_be16(f->fs.val.fport);
+ req->local_ip_hi = local_hi;
+ req->local_ip_lo = local_lo;
+ req->peer_ip_hi = peer_hi;
+ req->peer_ip_lo = peer_lo;
+ req->opt0 = cpu_to_be64(V_DELACK(f->fs.hitcnts) |
+ V_SMAC_SEL((cxgbe_port_viid(f->dev) & 0x7F)
+ << 1) |
+ V_ULP_MODE(ULP_MODE_NONE) |
+ F_TCAM_BYPASS | F_NON_OFFLOAD);
+ req->params = cpu_to_be64(V_FILTER_TUPLE(hash_filter_ntuple(f)));
+ req->opt2 = cpu_to_be32(F_RSS_QUEUE_VALID |
+ V_RSS_QUEUE(f->fs.iq) |
+ F_T5_OPT_2_VALID |
+ F_RX_CHANNEL |
+ V_CONG_CNTRL((f->fs.action == FILTER_DROP) |
+ (f->fs.dirsteer << 1)));
+}
+
+/**
+ * Build a ACT_OPEN_REQ message for setting IPv4 hash filter.
+ */
+static void mk_act_open_req(struct filter_entry *f, struct rte_mbuf *mbuf,
+ unsigned int qid_filterid, struct adapter *adap)
+{
+ struct cpl_t6_act_open_req *req = NULL;
+
+ switch (CHELSIO_CHIP_VERSION(adap->params.chip)) {
+ case CHELSIO_T6:
+ req = rte_pktmbuf_mtod(mbuf, struct cpl_t6_act_open_req *);
+
+ INIT_TP_WR(req, 0);
+ break;
+ default:
+ dev_err(adap, "%s: unsupported chip type!\n", __func__);
+ return;
+ }
+
+ OPCODE_TID(req) = cpu_to_be32(MK_OPCODE_TID(CPL_ACT_OPEN_REQ,
+ qid_filterid));
+ req->local_port = cpu_to_be16(f->fs.val.lport);
+ req->peer_port = cpu_to_be16(f->fs.val.fport);
+ req->local_ip = f->fs.val.lip[0] | f->fs.val.lip[1] << 8 |
+ f->fs.val.lip[2] << 16 | f->fs.val.lip[3] << 24;
+ req->peer_ip = f->fs.val.fip[0] | f->fs.val.fip[1] << 8 |
+ f->fs.val.fip[2] << 16 | f->fs.val.fip[3] << 24;
+ req->opt0 = cpu_to_be64(V_DELACK(f->fs.hitcnts) |
+ V_SMAC_SEL((cxgbe_port_viid(f->dev) & 0x7F)
+ << 1) |
+ V_ULP_MODE(ULP_MODE_NONE) |
+ F_TCAM_BYPASS | F_NON_OFFLOAD);
+ req->params = cpu_to_be64(V_FILTER_TUPLE(hash_filter_ntuple(f)));
+ req->opt2 = cpu_to_be32(F_RSS_QUEUE_VALID |
+ V_RSS_QUEUE(f->fs.iq) |
+ F_T5_OPT_2_VALID |
+ F_RX_CHANNEL |
+ V_CONG_CNTRL((f->fs.action == FILTER_DROP) |
+ (f->fs.dirsteer << 1)));
+}
+
+/**
+ * Set the specified hash filter.
+ */
+static int cxgbe_set_hash_filter(struct rte_eth_dev *dev,
+ struct ch_filter_specification *fs,
+ struct filter_ctx *ctx)
+{
+ struct port_info *pi = ethdev2pinfo(dev);
+ struct adapter *adapter = pi->adapter;
+ struct tid_info *t = &adapter->tids;
+ struct filter_entry *f;
+ struct rte_mbuf *mbuf;
+ struct sge_ctrl_txq *ctrlq;
+ unsigned int iq;
+ int atid, size;
+ int ret = 0;
+
+ ret = validate_filter(adapter, fs);
+ if (ret)
+ return ret;
+
+ iq = get_filter_steerq(dev, fs);
+
+ ctrlq = &adapter->sge.ctrlq[pi->port_id];
+
+ f = t4_os_alloc(sizeof(*f));
+ if (!f)
+ goto out_err;
+
+ f->fs = *fs;
+ f->ctx = ctx;
+ f->dev = dev;
+ f->fs.iq = iq;
+
+ atid = cxgbe_alloc_atid(t, f);
+ if (atid < 0)
+ goto out_err;
+
+ if (f->fs.type) {
+ /* IPv6 hash filter */
+ f->clipt = cxgbe_clip_alloc(f->dev, (u32 *)&f->fs.val.lip);
+ if (!f->clipt)
+ goto free_atid;
+
+ size = sizeof(struct cpl_t6_act_open_req6);
+ mbuf = rte_pktmbuf_alloc(ctrlq->mb_pool);
+ if (!mbuf) {
+ ret = -ENOMEM;
+ goto free_clip;
+ }
+
+ mbuf->data_len = size;
+ mbuf->pkt_len = mbuf->data_len;
+
+ mk_act_open_req6(f, mbuf,
+ ((adapter->sge.fw_evtq.abs_id << 14) | atid),
+ adapter);
+ } else {
+ /* IPv4 hash filter */
+ size = sizeof(struct cpl_t6_act_open_req);
+ mbuf = rte_pktmbuf_alloc(ctrlq->mb_pool);
+ if (!mbuf) {
+ ret = -ENOMEM;
+ goto free_atid;
+ }
+
+ mbuf->data_len = size;
+ mbuf->pkt_len = mbuf->data_len;
+
+ mk_act_open_req(f, mbuf,
+ ((adapter->sge.fw_evtq.abs_id << 14) | atid),
+ adapter);
+ }
+
+ f->pending = 1;
+ t4_mgmt_tx(ctrlq, mbuf);
+ return 0;
+
+free_clip:
+ cxgbe_clip_release(f->dev, f->clipt);
+free_atid:
+ cxgbe_free_atid(t, atid);
+
+out_err:
+ t4_os_free(f);
+ return ret;
+}
+
/**
* Clear a filter and release any of its resources that we own. This also
* clears the filter's "pending" status.
uint8_t bitoff[16] = {0};
int ret;
+ if (is_hashfilter(adapter) && fs->cap)
+ return cxgbe_set_hash_filter(dev, fs, ctx);
+
if (filter_id >= adapter->tids.nftids)
return -ERANGE;
return ret;
}
+/**
+ * Handle a Hash filter write reply.
+ */
+void hash_filter_rpl(struct adapter *adap, const struct cpl_act_open_rpl *rpl)
+{
+ struct tid_info *t = &adap->tids;
+ struct filter_entry *f;
+ struct filter_ctx *ctx = NULL;
+ unsigned int tid = GET_TID(rpl);
+ unsigned int ftid = G_TID_TID(G_AOPEN_ATID
+ (be32_to_cpu(rpl->atid_status)));
+ unsigned int status = G_AOPEN_STATUS(be32_to_cpu(rpl->atid_status));
+
+ f = lookup_atid(t, ftid);
+ if (!f) {
+ dev_warn(adap, "%s: could not find filter entry: %d\n",
+ __func__, ftid);
+ return;
+ }
+
+ ctx = f->ctx;
+ f->ctx = NULL;
+
+ switch (status) {
+ case CPL_ERR_NONE: {
+ f->tid = tid;
+ f->pending = 0; /* asynchronous setup completed */
+ f->valid = 1;
+
+ cxgbe_insert_tid(t, f, f->tid, 0);
+ cxgbe_free_atid(t, ftid);
+ if (ctx) {
+ ctx->tid = f->tid;
+ ctx->result = 0;
+ }
+ break;
+ }
+ default:
+ dev_warn(adap, "%s: filter creation failed with status = %u\n",
+ __func__, status);
+
+ if (ctx) {
+ if (status == CPL_ERR_TCAM_FULL)
+ ctx->result = -EAGAIN;
+ else
+ ctx->result = -EINVAL;
+ }
+
+ cxgbe_free_atid(t, ftid);
+ t4_os_free(f);
+ }
+
+ if (ctx)
+ t4_complete(&ctx->completion);
+}
+
/**
* Handle a LE-TCAM filter write/deletion reply.
*/
const struct cpl_set_tcb_rpl *p = (const void *)rsp;
filter_rpl(q->adapter, p);
+ } else if (opcode == CPL_ACT_OPEN_RPL) {
+ const struct cpl_act_open_rpl *p = (const void *)rsp;
+
+ hash_filter_rpl(q->adapter, p);
} else {
dev_err(adapter, "unexpected CPL %#x on FW event queue\n",
opcode);
return 0;
}
+/**
+ * Allocate an active-open TID and set it to the supplied value.
+ */
+int cxgbe_alloc_atid(struct tid_info *t, void *data)
+{
+ int atid = -1;
+
+ t4_os_lock(&t->atid_lock);
+ if (t->afree) {
+ union aopen_entry *p = t->afree;
+
+ atid = p - t->atid_tab;
+ t->afree = p->next;
+ p->data = data;
+ t->atids_in_use++;
+ }
+ t4_os_unlock(&t->atid_lock);
+ return atid;
+}
+
+/**
+ * Release an active-open TID.
+ */
+void cxgbe_free_atid(struct tid_info *t, unsigned int atid)
+{
+ union aopen_entry *p = &t->atid_tab[atid];
+
+ t4_os_lock(&t->atid_lock);
+ p->next = t->afree;
+ t->afree = p;
+ t->atids_in_use--;
+ t4_os_unlock(&t->atid_lock);
+}
+
+/**
+ * Insert a TID.
+ */
+void cxgbe_insert_tid(struct tid_info *t, void *data, unsigned int tid,
+ unsigned short family)
+{
+ t->tid_tab[tid] = data;
+ if (t->hash_base && tid >= t->hash_base) {
+ if (family == FILTER_TYPE_IPV4)
+ rte_atomic32_inc(&t->hash_tids_in_use);
+ } else {
+ if (family == FILTER_TYPE_IPV4)
+ rte_atomic32_inc(&t->tids_in_use);
+ }
+
+ rte_atomic32_inc(&t->conns_in_use);
+}
+
/**
* Free TID tables.
*/
git.droids-corp.org / dpdk.git / commitdiff