From: Jan-Bernd Themann Date: Fri, 23 Mar 2007 16:18:53 +0000 (+0100) Subject: ehea: removing unused functionality X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=acbddb591ba76bb20204fd6a407cb87d3f5f751e;p=GitHub%2Fmt8127%2Fandroid_kernel_alcatel_ttab.git ehea: removing unused functionality This patch includes: - removal of unused fields in structs - ethtool statistics cleanup - removes unsed functionality from send path Signed-off-by: Jan-Bernd Themann Signed-off-by: Jeff Garzik --- diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h index f8899339baa0..1405d0b0b7e7 100644 --- a/drivers/net/ehea/ehea.h +++ b/drivers/net/ehea/ehea.h @@ -39,7 +39,7 @@ #include #define DRV_NAME "ehea" -#define DRV_VERSION "EHEA_0054" +#define DRV_VERSION "EHEA_0055" #define EHEA_MSG_DEFAULT (NETIF_MSG_LINK | NETIF_MSG_TIMER \ | NETIF_MSG_RX_ERR | NETIF_MSG_TX_ERR) @@ -79,7 +79,6 @@ #define EHEA_L_PKT_SIZE 256 /* low latency */ /* Send completion signaling */ -#define EHEA_SIG_IV_LONG 1 /* Protection Domain Identifier */ #define EHEA_PD_ID 0xaabcdeff @@ -106,11 +105,7 @@ #define EHEA_CACHE_LINE 128 /* Memory Regions */ -#define EHEA_MR_MAX_TX_PAGES 20 -#define EHEA_MR_TX_DATA_PN 3 #define EHEA_MR_ACC_CTRL 0x00800000 -#define EHEA_RWQES_PER_MR_RQ2 10 -#define EHEA_RWQES_PER_MR_RQ3 10 #define EHEA_WATCH_DOG_TIMEOUT 10*HZ @@ -318,17 +313,12 @@ struct ehea_mr { /* * Port state information */ -struct port_state { - int poll_max_processed; +struct port_stats { int poll_receive_errors; - int ehea_poll; int queue_stopped; - int min_swqe_avail; - u64 sqc_stop_sum; - int pkt_send; - int pkt_xmit; - int send_tasklet; - int nwqe; + int err_tcp_cksum; + int err_ip_cksum; + int err_frame_crc; }; #define EHEA_IRQ_NAME_SIZE 20 @@ -347,6 +337,7 @@ struct ehea_q_skb_arr { * Port resources */ struct ehea_port_res { + struct port_stats p_stats; struct ehea_mr send_mr; /* send memory region */ struct ehea_mr recv_mr; /* receive memory region */ spinlock_t xmit_lock; @@ -358,7 +349,6 @@ struct ehea_port_res { struct ehea_cq *recv_cq; struct ehea_eq *eq; struct net_device *d_netdev; - spinlock_t send_lock; struct ehea_q_skb_arr rq1_skba; struct ehea_q_skb_arr rq2_skba; struct ehea_q_skb_arr rq3_skba; @@ -368,11 +358,8 @@ struct ehea_port_res { int swqe_refill_th; atomic_t swqe_avail; int swqe_ll_count; - int swqe_count; u32 swqe_id_counter; u64 tx_packets; - spinlock_t recv_lock; - struct port_state p_state; u64 rx_packets; u32 poll_counter; }; diff --git a/drivers/net/ehea/ehea_ethtool.c b/drivers/net/ehea/ehea_ethtool.c index 19950273ceb9..decec8cfe96b 100644 --- a/drivers/net/ehea/ehea_ethtool.c +++ b/drivers/net/ehea/ehea_ethtool.c @@ -166,33 +166,23 @@ static u32 ehea_get_rx_csum(struct net_device *dev) } static char ehea_ethtool_stats_keys[][ETH_GSTRING_LEN] = { - {"poll_max_processed"}, - {"queue_stopped"}, - {"min_swqe_avail"}, - {"poll_receive_err"}, - {"pkt_send"}, - {"pkt_xmit"}, - {"send_tasklet"}, - {"ehea_poll"}, - {"nwqe"}, - {"swqe_available_0"}, {"sig_comp_iv"}, {"swqe_refill_th"}, {"port resets"}, - {"rxo"}, - {"rx64"}, - {"rx65"}, - {"rx128"}, - {"rx256"}, - {"rx512"}, - {"rx1024"}, - {"txo"}, - {"tx64"}, - {"tx65"}, - {"tx128"}, - {"tx256"}, - {"tx512"}, - {"tx1024"}, + {"Receive errors"}, + {"TCP cksum errors"}, + {"IP cksum errors"}, + {"Frame cksum errors"}, + {"num SQ stopped"}, + {"SQ stopped"}, + {"PR0 free_swqes"}, + {"PR1 free_swqes"}, + {"PR2 free_swqes"}, + {"PR3 free_swqes"}, + {"PR4 free_swqes"}, + {"PR5 free_swqes"}, + {"PR6 free_swqes"}, + {"PR7 free_swqes"}, }; static void ehea_get_strings(struct net_device *dev, u32 stringset, u8 *data) @@ -211,63 +201,44 @@ static int ehea_get_stats_count(struct net_device *dev) static void ehea_get_ethtool_stats(struct net_device *dev, struct ethtool_stats *stats, u64 *data) { - u64 hret; - int i; + int i, k, tmp; struct ehea_port *port = netdev_priv(dev); - struct ehea_adapter *adapter = port->adapter; - struct ehea_port_res *pr = &port->port_res[0]; - struct port_state *p_state = &pr->p_state; - struct hcp_ehea_port_cb6 *cb6; for (i = 0; i < ehea_get_stats_count(dev); i++) data[i] = 0; - i = 0; - data[i++] = p_state->poll_max_processed; - data[i++] = p_state->queue_stopped; - data[i++] = p_state->min_swqe_avail; - data[i++] = p_state->poll_receive_errors; - data[i++] = p_state->pkt_send; - data[i++] = p_state->pkt_xmit; - data[i++] = p_state->send_tasklet; - data[i++] = p_state->ehea_poll; - data[i++] = p_state->nwqe; - data[i++] = atomic_read(&port->port_res[0].swqe_avail); data[i++] = port->sig_comp_iv; data[i++] = port->port_res[0].swqe_refill_th; data[i++] = port->resets; - cb6 = kzalloc(PAGE_SIZE, GFP_KERNEL); - if (!cb6) { - ehea_error("no mem for cb6"); - return; - } + for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) + tmp += port->port_res[k].p_stats.poll_receive_errors; + data[i++] = tmp; + + for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) + tmp += port->port_res[k].p_stats.err_tcp_cksum; + data[i++] = tmp; + + for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) + tmp += port->port_res[k].p_stats.err_ip_cksum; + data[i++] = tmp; + + for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) + tmp += port->port_res[k].p_stats.err_frame_crc; + data[i++] = tmp; + + for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) + tmp += port->port_res[k].p_stats.queue_stopped; + data[i++] = tmp; + + for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) + tmp |= port->port_res[k].queue_stopped; + data[i++] = tmp; + + for (k = 0; k < 8; k++) + data[i++] = atomic_read(&port->port_res[k].swqe_avail); - hret = ehea_h_query_ehea_port(adapter->handle, port->logical_port_id, - H_PORT_CB6, H_PORT_CB6_ALL, cb6); - if (netif_msg_hw(port)) - ehea_dump(cb6, sizeof(*cb6), "ehea_get_ethtool_stats"); - - if (hret == H_SUCCESS) { - data[i++] = cb6->rxo; - data[i++] = cb6->rx64; - data[i++] = cb6->rx65; - data[i++] = cb6->rx128; - data[i++] = cb6->rx256; - data[i++] = cb6->rx512; - data[i++] = cb6->rx1024; - data[i++] = cb6->txo; - data[i++] = cb6->tx64; - data[i++] = cb6->tx65; - data[i++] = cb6->tx128; - data[i++] = cb6->tx256; - data[i++] = cb6->tx512; - data[i++] = cb6->tx1024; - } else - ehea_error("query_ehea_port failed"); - - kfree(cb6); } const struct ethtool_ops ehea_ethtool_ops = { diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c index 8bceb4e6bb82..e6fe2cfbd999 100644 --- a/drivers/net/ehea/ehea_main.c +++ b/drivers/net/ehea/ehea_main.c @@ -327,6 +327,13 @@ static int ehea_treat_poll_error(struct ehea_port_res *pr, int rq, { struct sk_buff *skb; + if (cqe->status & EHEA_CQE_STAT_ERR_TCP) + pr->p_stats.err_tcp_cksum++; + if (cqe->status & EHEA_CQE_STAT_ERR_IP) + pr->p_stats.err_ip_cksum++; + if (cqe->status & EHEA_CQE_STAT_ERR_CRC) + pr->p_stats.err_frame_crc++; + if (netif_msg_rx_err(pr->port)) { ehea_error("CQE Error for QP %d", pr->qp->init_attr.qp_nr); ehea_dump(cqe, sizeof(*cqe), "CQE"); @@ -428,7 +435,7 @@ static struct ehea_cqe *ehea_proc_rwqes(struct net_device *dev, else netif_receive_skb(skb); } else { - pr->p_state.poll_receive_errors++; + pr->p_stats.poll_receive_errors++; port_reset = ehea_treat_poll_error(pr, rq, cqe, &processed_rq2, &processed_rq3); @@ -449,34 +456,15 @@ static struct ehea_cqe *ehea_proc_rwqes(struct net_device *dev, return cqe; } -static void ehea_free_sent_skbs(struct ehea_cqe *cqe, struct ehea_port_res *pr) -{ - struct sk_buff *skb; - int index, max_index_mask, i; - - index = EHEA_BMASK_GET(EHEA_WR_ID_INDEX, cqe->wr_id); - max_index_mask = pr->sq_skba.len - 1; - for (i = 0; i < EHEA_BMASK_GET(EHEA_WR_ID_REFILL, cqe->wr_id); i++) { - skb = pr->sq_skba.arr[index]; - if (likely(skb)) { - dev_kfree_skb(skb); - pr->sq_skba.arr[index] = NULL; - } else { - ehea_error("skb=NULL, wr_id=%lX, loop=%d, index=%d", - cqe->wr_id, i, index); - } - index--; - index &= max_index_mask; - } -} - static struct ehea_cqe *ehea_proc_cqes(struct ehea_port_res *pr, int my_quota) { + struct sk_buff *skb; struct ehea_cq *send_cq = pr->send_cq; struct ehea_cqe *cqe; int quota = my_quota; int cqe_counter = 0; int swqe_av = 0; + int index; unsigned long flags; cqe = ehea_poll_cq(send_cq); @@ -498,8 +486,13 @@ static struct ehea_cqe *ehea_proc_cqes(struct ehea_port_res *pr, int my_quota) ehea_dump(cqe, sizeof(*cqe), "CQE"); if (likely(EHEA_BMASK_GET(EHEA_WR_ID_TYPE, cqe->wr_id) - == EHEA_SWQE2_TYPE)) - ehea_free_sent_skbs(cqe, pr); + == EHEA_SWQE2_TYPE)) { + + index = EHEA_BMASK_GET(EHEA_WR_ID_INDEX, cqe->wr_id); + skb = pr->sq_skba.arr[index]; + dev_kfree_skb(skb); + pr->sq_skba.arr[index] = NULL; + } swqe_av += EHEA_BMASK_GET(EHEA_WR_ID_REFILL, cqe->wr_id); quota--; @@ -1092,8 +1085,6 @@ static int ehea_init_port_res(struct ehea_port *port, struct ehea_port_res *pr, memset(pr, 0, sizeof(struct ehea_port_res)); pr->port = port; - spin_lock_init(&pr->send_lock); - spin_lock_init(&pr->recv_lock); spin_lock_init(&pr->xmit_lock); spin_lock_init(&pr->netif_queue); @@ -1811,7 +1802,6 @@ static int ehea_start_xmit(struct sk_buff *skb, struct net_device *dev) pr = &port->port_res[ehea_hash_skb(skb, port->num_tx_qps)]; - if (!spin_trylock(&pr->xmit_lock)) return NETDEV_TX_BUSY; @@ -1841,6 +1831,7 @@ static int ehea_start_xmit(struct sk_buff *skb, struct net_device *dev) swqe->wr_id = EHEA_BMASK_SET(EHEA_WR_ID_TYPE, EHEA_SWQE2_TYPE) | EHEA_BMASK_SET(EHEA_WR_ID_COUNT, pr->swqe_id_counter) + | EHEA_BMASK_SET(EHEA_WR_ID_REFILL, 1) | EHEA_BMASK_SET(EHEA_WR_ID_INDEX, pr->sq_skba.index); pr->sq_skba.arr[pr->sq_skba.index] = skb; @@ -1849,14 +1840,7 @@ static int ehea_start_xmit(struct sk_buff *skb, struct net_device *dev) lkey = pr->send_mr.lkey; ehea_xmit2(skb, dev, swqe, lkey); - - if (pr->swqe_count >= (EHEA_SIG_IV_LONG - 1)) { - swqe->wr_id |= EHEA_BMASK_SET(EHEA_WR_ID_REFILL, - EHEA_SIG_IV_LONG); - swqe->tx_control |= EHEA_SWQE_SIGNALLED_COMPLETION; - pr->swqe_count = 0; - } else - pr->swqe_count += 1; + swqe->tx_control |= EHEA_SWQE_SIGNALLED_COMPLETION; } pr->swqe_id_counter += 1; @@ -1876,6 +1860,7 @@ static int ehea_start_xmit(struct sk_buff *skb, struct net_device *dev) if (unlikely(atomic_read(&pr->swqe_avail) <= 1)) { spin_lock_irqsave(&pr->netif_queue, flags); if (unlikely(atomic_read(&pr->swqe_avail) <= 1)) { + pr->p_stats.queue_stopped++; netif_stop_queue(dev); pr->queue_stopped = 1; } diff --git a/drivers/net/ehea/ehea_qmr.h b/drivers/net/ehea/ehea_qmr.h index 24603312eb84..c0eb3e03a102 100644 --- a/drivers/net/ehea/ehea_qmr.h +++ b/drivers/net/ehea/ehea_qmr.h @@ -142,6 +142,8 @@ struct ehea_rwqe { #define EHEA_CQE_STAT_ERR_MASK 0x721F #define EHEA_CQE_STAT_FAT_ERR_MASK 0x1F #define EHEA_CQE_STAT_ERR_TCP 0x4000 +#define EHEA_CQE_STAT_ERR_IP 0x2000 +#define EHEA_CQE_STAT_ERR_CRC 0x1000 struct ehea_cqe { u64 wr_id; /* work request ID from WQE */