#include "lio_ethdev.h"
#include "lio_rxtx.h"
+/* Default RSS key in use */
+static uint8_t lio_rss_key[40] = {
+ 0x6D, 0x5A, 0x56, 0xDA, 0x25, 0x5B, 0x0E, 0xC2,
+ 0x41, 0x67, 0x25, 0x3D, 0x43, 0xA3, 0x8F, 0xB0,
+ 0xD0, 0xCA, 0x2B, 0xCB, 0xAE, 0x7B, 0x30, 0xB4,
+ 0x77, 0xCB, 0x2D, 0xA3, 0x80, 0x30, 0xF2, 0x0C,
+ 0x6A, 0x42, 0xB7, 0x3B, 0xBE, 0xAC, 0x01, 0xFA,
+};
+
/* Wait for control command to reach nic. */
static uint16_t
lio_wait_for_ctrl_cmd(struct lio_device *lio_dev,
return 0;
}
+static int
+lio_dev_rss_reta_update(struct rte_eth_dev *eth_dev,
+ struct rte_eth_rss_reta_entry64 *reta_conf,
+ uint16_t reta_size)
+{
+ struct lio_device *lio_dev = LIO_DEV(eth_dev);
+ struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
+ struct lio_rss_set *rss_param;
+ struct lio_dev_ctrl_cmd ctrl_cmd;
+ struct lio_ctrl_pkt ctrl_pkt;
+ int i, j, index;
+
+ if (!lio_dev->intf_open) {
+ lio_dev_err(lio_dev, "Port %d down, can't update reta\n",
+ lio_dev->port_id);
+ return -EINVAL;
+ }
+
+ if (reta_size != LIO_RSS_MAX_TABLE_SZ) {
+ lio_dev_err(lio_dev,
+ "The size of hash lookup table configured (%d) doesn't match the number hardware can supported (%d)\n",
+ reta_size, LIO_RSS_MAX_TABLE_SZ);
+ return -EINVAL;
+ }
+
+ /* flush added to prevent cmd failure
+ * incase the queue is full
+ */
+ lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
+
+ memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
+ memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
+
+ rss_param = (struct lio_rss_set *)&ctrl_pkt.udd[0];
+
+ ctrl_cmd.eth_dev = eth_dev;
+ ctrl_cmd.cond = 0;
+
+ ctrl_pkt.ncmd.s.cmd = LIO_CMD_SET_RSS;
+ ctrl_pkt.ncmd.s.more = sizeof(struct lio_rss_set) >> 3;
+ ctrl_pkt.ctrl_cmd = &ctrl_cmd;
+
+ rss_param->param.flags = 0xF;
+ rss_param->param.flags &= ~LIO_RSS_PARAM_ITABLE_UNCHANGED;
+ rss_param->param.itablesize = LIO_RSS_MAX_TABLE_SZ;
+
+ for (i = 0; i < (reta_size / RTE_RETA_GROUP_SIZE); i++) {
+ for (j = 0; j < RTE_RETA_GROUP_SIZE; j++) {
+ if ((reta_conf[i].mask) & ((uint64_t)1 << j)) {
+ index = (i * RTE_RETA_GROUP_SIZE) + j;
+ rss_state->itable[index] = reta_conf[i].reta[j];
+ }
+ }
+ }
+
+ rss_state->itable_size = LIO_RSS_MAX_TABLE_SZ;
+ memcpy(rss_param->itable, rss_state->itable, rss_state->itable_size);
+
+ lio_swap_8B_data((uint64_t *)rss_param, LIO_RSS_PARAM_SIZE >> 3);
+
+ if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
+ lio_dev_err(lio_dev, "Failed to set rss hash\n");
+ return -1;
+ }
+
+ if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
+ lio_dev_err(lio_dev, "Set rss hash timed out\n");
+ return -1;
+ }
+
+ return 0;
+}
+
+static int
+lio_dev_rss_reta_query(struct rte_eth_dev *eth_dev,
+ struct rte_eth_rss_reta_entry64 *reta_conf,
+ uint16_t reta_size)
+{
+ struct lio_device *lio_dev = LIO_DEV(eth_dev);
+ struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
+ int i, num;
+
+ if (reta_size != LIO_RSS_MAX_TABLE_SZ) {
+ lio_dev_err(lio_dev,
+ "The size of hash lookup table configured (%d) doesn't match the number hardware can supported (%d)\n",
+ reta_size, LIO_RSS_MAX_TABLE_SZ);
+ return -EINVAL;
+ }
+
+ num = reta_size / RTE_RETA_GROUP_SIZE;
+
+ for (i = 0; i < num; i++) {
+ memcpy(reta_conf->reta,
+ &rss_state->itable[i * RTE_RETA_GROUP_SIZE],
+ RTE_RETA_GROUP_SIZE);
+ reta_conf++;
+ }
+
+ return 0;
+}
+
+static int
+lio_dev_rss_hash_conf_get(struct rte_eth_dev *eth_dev,
+ struct rte_eth_rss_conf *rss_conf)
+{
+ struct lio_device *lio_dev = LIO_DEV(eth_dev);
+ struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
+ uint8_t *hash_key = NULL;
+ uint64_t rss_hf = 0;
+
+ if (rss_state->hash_disable) {
+ lio_dev_info(lio_dev, "RSS disabled in nic\n");
+ rss_conf->rss_hf = 0;
+ return 0;
+ }
+
+ /* Get key value */
+ hash_key = rss_conf->rss_key;
+ if (hash_key != NULL)
+ memcpy(hash_key, rss_state->hash_key, rss_state->hash_key_size);
+
+ if (rss_state->ip)
+ rss_hf |= ETH_RSS_IPV4;
+ if (rss_state->tcp_hash)
+ rss_hf |= ETH_RSS_NONFRAG_IPV4_TCP;
+ if (rss_state->ipv6)
+ rss_hf |= ETH_RSS_IPV6;
+ if (rss_state->ipv6_tcp_hash)
+ rss_hf |= ETH_RSS_NONFRAG_IPV6_TCP;
+ if (rss_state->ipv6_ex)
+ rss_hf |= ETH_RSS_IPV6_EX;
+ if (rss_state->ipv6_tcp_ex_hash)
+ rss_hf |= ETH_RSS_IPV6_TCP_EX;
+
+ rss_conf->rss_hf = rss_hf;
+
+ return 0;
+}
+
+static int
+lio_dev_rss_hash_update(struct rte_eth_dev *eth_dev,
+ struct rte_eth_rss_conf *rss_conf)
+{
+ struct lio_device *lio_dev = LIO_DEV(eth_dev);
+ struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
+ struct lio_rss_set *rss_param;
+ struct lio_dev_ctrl_cmd ctrl_cmd;
+ struct lio_ctrl_pkt ctrl_pkt;
+
+ if (!lio_dev->intf_open) {
+ lio_dev_err(lio_dev, "Port %d down, can't update hash\n",
+ lio_dev->port_id);
+ return -EINVAL;
+ }
+
+ /* flush added to prevent cmd failure
+ * incase the queue is full
+ */
+ lio_flush_iq(lio_dev, lio_dev->instr_queue[0]);
+
+ memset(&ctrl_pkt, 0, sizeof(struct lio_ctrl_pkt));
+ memset(&ctrl_cmd, 0, sizeof(struct lio_dev_ctrl_cmd));
+
+ rss_param = (struct lio_rss_set *)&ctrl_pkt.udd[0];
+
+ ctrl_cmd.eth_dev = eth_dev;
+ ctrl_cmd.cond = 0;
+
+ ctrl_pkt.ncmd.s.cmd = LIO_CMD_SET_RSS;
+ ctrl_pkt.ncmd.s.more = sizeof(struct lio_rss_set) >> 3;
+ ctrl_pkt.ctrl_cmd = &ctrl_cmd;
+
+ rss_param->param.flags = 0xF;
+
+ if (rss_conf->rss_key) {
+ rss_param->param.flags &= ~LIO_RSS_PARAM_HASH_KEY_UNCHANGED;
+ rss_state->hash_key_size = LIO_RSS_MAX_KEY_SZ;
+ rss_param->param.hashkeysize = LIO_RSS_MAX_KEY_SZ;
+ memcpy(rss_state->hash_key, rss_conf->rss_key,
+ rss_state->hash_key_size);
+ memcpy(rss_param->key, rss_state->hash_key,
+ rss_state->hash_key_size);
+ }
+
+ if ((rss_conf->rss_hf & LIO_RSS_OFFLOAD_ALL) == 0) {
+ /* Can't disable rss through hash flags,
+ * if it is enabled by default during init
+ */
+ if (!rss_state->hash_disable)
+ return -EINVAL;
+
+ /* This is for --disable-rss during testpmd launch */
+ rss_param->param.flags |= LIO_RSS_PARAM_DISABLE_RSS;
+ } else {
+ uint32_t hashinfo = 0;
+
+ /* Can't enable rss if disabled by default during init */
+ if (rss_state->hash_disable)
+ return -EINVAL;
+
+ if (rss_conf->rss_hf & ETH_RSS_IPV4) {
+ hashinfo |= LIO_RSS_HASH_IPV4;
+ rss_state->ip = 1;
+ } else {
+ rss_state->ip = 0;
+ }
+
+ if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV4_TCP) {
+ hashinfo |= LIO_RSS_HASH_TCP_IPV4;
+ rss_state->tcp_hash = 1;
+ } else {
+ rss_state->tcp_hash = 0;
+ }
+
+ if (rss_conf->rss_hf & ETH_RSS_IPV6) {
+ hashinfo |= LIO_RSS_HASH_IPV6;
+ rss_state->ipv6 = 1;
+ } else {
+ rss_state->ipv6 = 0;
+ }
+
+ if (rss_conf->rss_hf & ETH_RSS_NONFRAG_IPV6_TCP) {
+ hashinfo |= LIO_RSS_HASH_TCP_IPV6;
+ rss_state->ipv6_tcp_hash = 1;
+ } else {
+ rss_state->ipv6_tcp_hash = 0;
+ }
+
+ if (rss_conf->rss_hf & ETH_RSS_IPV6_EX) {
+ hashinfo |= LIO_RSS_HASH_IPV6_EX;
+ rss_state->ipv6_ex = 1;
+ } else {
+ rss_state->ipv6_ex = 0;
+ }
+
+ if (rss_conf->rss_hf & ETH_RSS_IPV6_TCP_EX) {
+ hashinfo |= LIO_RSS_HASH_TCP_IPV6_EX;
+ rss_state->ipv6_tcp_ex_hash = 1;
+ } else {
+ rss_state->ipv6_tcp_ex_hash = 0;
+ }
+
+ rss_param->param.flags &= ~LIO_RSS_PARAM_HASH_INFO_UNCHANGED;
+ rss_param->param.hashinfo = hashinfo;
+ }
+
+ lio_swap_8B_data((uint64_t *)rss_param, LIO_RSS_PARAM_SIZE >> 3);
+
+ if (lio_send_ctrl_pkt(lio_dev, &ctrl_pkt)) {
+ lio_dev_err(lio_dev, "Failed to set rss hash\n");
+ return -1;
+ }
+
+ if (lio_wait_for_ctrl_cmd(lio_dev, &ctrl_cmd)) {
+ lio_dev_err(lio_dev, "Set rss hash timed out\n");
+ return -1;
+ }
+
+ return 0;
+}
+
/**
* Atomically writes the link status information into global
* structure rte_eth_dev.
return 0;
}
+static void
+lio_dev_rss_configure(struct rte_eth_dev *eth_dev)
+{
+ struct lio_device *lio_dev = LIO_DEV(eth_dev);
+ struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
+ struct rte_eth_rss_reta_entry64 reta_conf[8];
+ struct rte_eth_rss_conf rss_conf;
+ uint16_t i;
+
+ /* Configure the RSS key and the RSS protocols used to compute
+ * the RSS hash of input packets.
+ */
+ rss_conf = eth_dev->data->dev_conf.rx_adv_conf.rss_conf;
+ if ((rss_conf.rss_hf & LIO_RSS_OFFLOAD_ALL) == 0) {
+ rss_state->hash_disable = 1;
+ lio_dev_rss_hash_update(eth_dev, &rss_conf);
+ return;
+ }
+
+ if (rss_conf.rss_key == NULL)
+ rss_conf.rss_key = lio_rss_key; /* Default hash key */
+
+ lio_dev_rss_hash_update(eth_dev, &rss_conf);
+
+ memset(reta_conf, 0, sizeof(reta_conf));
+ for (i = 0; i < LIO_RSS_MAX_TABLE_SZ; i++) {
+ uint8_t q_idx, conf_idx, reta_idx;
+
+ q_idx = (uint8_t)((eth_dev->data->nb_rx_queues > 1) ?
+ i % eth_dev->data->nb_rx_queues : 0);
+ conf_idx = i / RTE_RETA_GROUP_SIZE;
+ reta_idx = i % RTE_RETA_GROUP_SIZE;
+ reta_conf[conf_idx].reta[reta_idx] = q_idx;
+ reta_conf[conf_idx].mask |= ((uint64_t)1 << reta_idx);
+ }
+
+ lio_dev_rss_reta_update(eth_dev, reta_conf, LIO_RSS_MAX_TABLE_SZ);
+}
+
+static void
+lio_dev_mq_rx_configure(struct rte_eth_dev *eth_dev)
+{
+ struct lio_device *lio_dev = LIO_DEV(eth_dev);
+ struct lio_rss_ctx *rss_state = &lio_dev->rss_state;
+ struct rte_eth_rss_conf rss_conf;
+
+ switch (eth_dev->data->dev_conf.rxmode.mq_mode) {
+ case ETH_MQ_RX_RSS:
+ lio_dev_rss_configure(eth_dev);
+ break;
+ case ETH_MQ_RX_NONE:
+ /* if mq_mode is none, disable rss mode. */
+ default:
+ memset(&rss_conf, 0, sizeof(rss_conf));
+ rss_state->hash_disable = 1;
+ lio_dev_rss_hash_update(eth_dev, &rss_conf);
+ }
+}
+
/**
* Setup our receive queue/ringbuffer. This is the
* queue the Octeon uses to send us packets and
lio_dev->intf_open = 1;
rte_mb();
+ /* Configure RSS if device configured with multiple RX queues. */
+ lio_dev_mq_rx_configure(eth_dev);
+
/* start polling for lsc */
ret = rte_eal_alarm_set(LIO_LSC_TIMEOUT,
lio_sync_link_state_check,
.rx_queue_release = lio_dev_rx_queue_release,
.tx_queue_setup = lio_dev_tx_queue_setup,
.tx_queue_release = lio_dev_tx_queue_release,
+ .reta_update = lio_dev_rss_reta_update,
+ .reta_query = lio_dev_rss_reta_query,
+ .rss_hash_conf_get = lio_dev_rss_hash_conf_get,
+ .rss_hash_update = lio_dev_rss_hash_update,
};
static void
git.droids-corp.org / dpdk.git / commitdiff