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bna: Formatting and Code Cleanup

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Change details:
 - Print log messages when running with reduced number of MSI-X vectors
   and when defaulting to INTx mode.
 - Remove BUG_ONs and header file inclusion that are not needed
 - Comments addition/cleanup
 - Unused code cleanup
 - Add New Line to Print msg in bfa_sm_fault
 - Formatting fix

Signed-off-by: Gurunatha Karaje <gkaraje@brocade.com>
Signed-off-by: Rasesh Mody <rmody@brocade.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rasesh Mody 2011-08-30 15:27:41 +00:00 committed by David S. Miller
parent 271e8b7947
commit 19dbff9fee
8 changed files with 24 additions and 107 deletions
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2
drivers/net/ethernet/brocade/bna/bfa_cee.c
View File

@ -16,8 +16,6 @@
* www.brocade.com
*/
#include "bfa_defs_cna.h"
#include "cna.h"
#include "bfa_cee.h"
#include "bfi_cna.h"
#include "bfa_ioc.h"

1
drivers/net/ethernet/brocade/bna/bfa_defs_mfg_comm.h
View File

@ -18,7 +18,6 @@
#ifndef __BFA_DEFS_MFG_COMM_H__
#define __BFA_DEFS_MFG_COMM_H__
#include "cna.h"
#include "bfa_defs.h"
/**

46
drivers/net/ethernet/brocade/bna/bfi.h
View File

@ -73,20 +73,6 @@ struct bfi_mhdr {
****************************************************************************
*/
#define BFI_SGE_INLINE 1
#define BFI_SGE_INLINE_MAX (BFI_SGE_INLINE + 1)
/**
* SG Flags
*/
enum {
BFI_SGE_DATA = 0, /*!< data address, not last */
BFI_SGE_DATA_CPL = 1, /*!< data addr, last in current page */
BFI_SGE_DATA_LAST = 3, /*!< data address, last */
BFI_SGE_LINK = 2, /*!< link address */
BFI_SGE_PGDLEN = 2, /*!< cumulative data length for page */
};
/**
* DMA addresses
*/
@ -97,33 +83,6 @@ union bfi_addr_u {
} a32;
};
/**
* Scatter Gather Element
*/
struct bfi_sge {
#ifdef __BIGENDIAN
u32 flags:2,
rsvd:2,
sg_len:28;
#else
u32 sg_len:28,
rsvd:2,
flags:2;
#endif
union bfi_addr_u sga;
};
/**
* Scatter Gather Page
*/
#define BFI_SGPG_DATA_SGES 7
#define BFI_SGPG_SGES_MAX (BFI_SGPG_DATA_SGES + 1)
#define BFI_SGPG_RSVD_WD_LEN 8
struct bfi_sgpg {
struct bfi_sge sges[BFI_SGPG_SGES_MAX];
u32 rsvd[BFI_SGPG_RSVD_WD_LEN];
};
/*
* Large Message structure - 128 Bytes size Msgs
*/
@ -131,11 +90,6 @@ struct bfi_sgpg {
#define BFI_LMSG_PL_WSZ \
((BFI_LMSG_SZ - sizeof(struct bfi_mhdr)) / 4)
struct bfi_msg {
struct bfi_mhdr mhdr;
u32 pl[BFI_LMSG_PL_WSZ];
};
/**
* Mailbox message structure
*/

18
drivers/net/ethernet/brocade/bna/bna.h
View File

@ -10,12 +10,17 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
/*
* Copyright (c) 2005-2011 Brocade Communications Systems, Inc.
* All rights reserved
* www.brocade.com
*/
#ifndef __BNA_H__
#define __BNA_H__
#include "bfa_cs.h"
#include "bfa_defs.h"
#include "bfa_ioc.h"
#include "cna.h"
#include "bfi_enet.h"
#include "bna_types.h"
extern const u32 bna_napi_dim_vector[][BNA_BIAS_T_MAX];
@ -395,12 +400,8 @@ void bna_mod_init(struct bna *bna, struct bna_res_info *res_info);
void bna_uninit(struct bna *bna);
int bna_num_txq_set(struct bna *bna, int num_txq);
int bna_num_rxp_set(struct bna *bna, int num_rxp);
void bna_stats_get(struct bna *bna);
void bna_get_perm_mac(struct bna *bna, u8 *mac);
void bna_hw_stats_get(struct bna *bna);
/* APIs for Rx */
/* APIs for RxF */
struct bna_mac *bna_ucam_mod_mac_get(struct bna_ucam_mod *ucam_mod);
void bna_ucam_mod_mac_put(struct bna_ucam_mod *ucam_mod,
@ -521,11 +522,6 @@ bna_rx_mode_set(struct bna_rx *rx, enum bna_rxmode rxmode,
void bna_rx_vlan_add(struct bna_rx *rx, int vlan_id);
void bna_rx_vlan_del(struct bna_rx *rx, int vlan_id);
void bna_rx_vlanfilter_enable(struct bna_rx *rx);
void bna_rx_hds_enable(struct bna_rx *rx, struct bna_hds_config *hds_config,
void (*cbfn)(struct bnad *, struct bna_rx *));
void bna_rx_hds_disable(struct bna_rx *rx,
void (*cbfn)(struct bnad *, struct bna_rx *));
/**
* ENET
*/

1
drivers/net/ethernet/brocade/bna/bna_types.h
View File

@ -21,7 +21,6 @@
#include "cna.h"
#include "bna_hw_defs.h"
#include "bfa_cee.h"
#include "bfi_enet.h"
#include "bfa_msgq.h"
/**

46
drivers/net/ethernet/brocade/bna/bnad.c
View File

@ -386,10 +386,9 @@ bnad_alloc_n_post_rxbufs(struct bnad *bnad, struct bna_rcb *rcb)
BNA_RXQ_QPGE_PTR_GET(unmap_prod, rcb->sw_qpt, rxent, wi_range);
while (to_alloc--) {
if (!wi_range) {
if (!wi_range)
BNA_RXQ_QPGE_PTR_GET(unmap_prod, rcb->sw_qpt, rxent,
wi_range);
}
skb = netdev_alloc_skb_ip_align(bnad->netdev,
rcb->rxq->buffer_size);
if (unlikely(!skb)) {
@ -550,27 +549,6 @@ bnad_poll_cq(struct bnad *bnad, struct bna_ccb *ccb, int budget)
return packets;
}
static void
bnad_disable_rx_irq(struct bnad *bnad, struct bna_ccb *ccb)
{
if (unlikely(!test_bit(BNAD_RXQ_STARTED, &ccb->rcb[0]->flags)))
return;
bna_ib_coalescing_timer_set(ccb->i_dbell, 0);
bna_ib_ack(ccb->i_dbell, 0);
}
static void
bnad_enable_rx_irq(struct bnad *bnad, struct bna_ccb *ccb)
{
unsigned long flags;
/* Because of polling context */
spin_lock_irqsave(&bnad->bna_lock, flags);
bnad_enable_rx_irq_unsafe(ccb);
spin_unlock_irqrestore(&bnad->bna_lock, flags);
}
static void
bnad_netif_rx_schedule_poll(struct bnad *bnad, struct bna_ccb *ccb)
{
@ -1671,7 +1649,7 @@ bnad_napi_poll_rx(struct napi_struct *napi, int budget)
return rcvd;
poll_exit:
napi_complete((napi));
napi_complete(napi);
rx_ctrl->rx_complete++;
@ -2090,15 +2068,13 @@ bnad_enable_default_bcast(struct bnad *bnad)
return 0;
}
/* Called with bnad_conf_lock() held */
/* Called with mutex_lock(&bnad->conf_mutex) held */
static void
bnad_restore_vlans(struct bnad *bnad, u32 rx_id)
{
u16 vid;
unsigned long flags;
BUG_ON(!(VLAN_N_VID == BFI_ENET_VLAN_ID_MAX));
for_each_set_bit(vid, bnad->active_vlans, VLAN_N_VID) {
spin_lock_irqsave(&bnad->bna_lock, flags);
bna_rx_vlan_add(bnad->rx_info[rx_id].rx, vid);
@ -2207,9 +2183,6 @@ bnad_tso_prepare(struct bnad *bnad, struct sk_buff *skb)
{
int err;
/* SKB_GSO_TCPV4 and SKB_GSO_TCPV6 is defined since 2.6.18. */
BUG_ON(!(skb_shinfo(skb)->gso_type == SKB_GSO_TCPV4 ||
skb_shinfo(skb)->gso_type == SKB_GSO_TCPV6));
if (skb_header_cloned(skb)) {
err = pskb_expand_head(skb, 0, 0, GFP_ATOMIC);
if (err) {
@ -2236,7 +2209,6 @@ bnad_tso_prepare(struct bnad *bnad, struct sk_buff *skb)
} else {
struct ipv6hdr *ipv6h = ipv6_hdr(skb);
BUG_ON(!(skb->protocol == htons(ETH_P_IPV6)));
ipv6h->payload_len = 0;
tcp_hdr(skb)->check =
~csum_ipv6_magic(&ipv6h->saddr, &ipv6h->daddr, 0,
@ -2387,6 +2359,8 @@ bnad_enable_msix(struct bnad *bnad)
ret = pci_enable_msix(bnad->pcidev, bnad->msix_table, bnad->msix_num);
if (ret > 0) {
/* Not enough MSI-X vectors. */
pr_warn("BNA: %d MSI-X vectors allocated < %d requested\n",
ret, bnad->msix_num);
spin_lock_irqsave(&bnad->bna_lock, flags);
/* ret = #of vectors that we got */
@ -2415,6 +2389,7 @@ bnad_enable_msix(struct bnad *bnad)
return;
intx_mode:
pr_warn("BNA: MSI-X enable failed - operating in INTx mode\n");
kfree(bnad->msix_table);
bnad->msix_table = NULL;
@ -2577,7 +2552,7 @@ bnad_start_xmit(struct sk_buff *skb, struct net_device *netdev)
/*
* Takes care of the Tx that is scheduled between clearing the flag
* and the netif_stop_all_queue() call.
* and the netif_tx_stop_all_queues() call.
*/
if (unlikely(!test_bit(BNAD_TXQ_TX_STARTED, &tcb->flags))) {
dev_kfree_skb(skb);
@ -2630,7 +2605,6 @@ bnad_start_xmit(struct sk_buff *skb, struct net_device *netdev)
txq_prod = tcb->producer_index;
BNA_TXQ_QPGE_PTR_GET(txq_prod, tcb->sw_qpt, txqent, wi_range);
BUG_ON(!(wi_range <= tcb->q_depth));
txqent->hdr.wi.reserved = 0;
txqent->hdr.wi.num_vectors = vectors;
@ -3036,6 +3010,12 @@ bnad_netpoll(struct net_device *netdev)
bnad_isr(bnad->pcidev->irq, netdev);
bna_intx_enable(&bnad->bna, curr_mask);
} else {
/*
* Tx processing may happen in sending context, so no need
* to explicitly process completions here
*/
/* Rx processing */
for (i = 0; i < bnad->num_rx; i++) {
rx_info = &bnad->rx_info[i];
if (!rx_info->rx)

6
drivers/net/ethernet/brocade/bna/bnad.h
View File

@ -65,8 +65,6 @@ struct bnad_rx_ctrl {
#define BNAD_RXMODE_PROMISC_DEFAULT BNA_RXMODE_PROMISC
#define BNAD_GET_TX_ID(_skb) (0)
/*
* GLOBAL #defines (CONSTANTS)
*/
@ -152,7 +150,6 @@ struct bnad_drv_stats {
u64 tcpcsum_offload;
u64 udpcsum_offload;
u64 csum_help;
u64 csum_help_err;
u64 tx_skb_too_short;
u64 tx_skb_stopping;
u64 tx_skb_max_vectors;
@ -169,13 +166,10 @@ struct bnad_drv_stats {
u64 tx_skb_len_mismatch;
u64 hw_stats_updates;
u64 netif_rx_schedule;
u64 netif_rx_complete;
u64 netif_rx_dropped;
u64 link_toggle;
u64 cee_toggle;
u64 cee_up;
u64 rxp_info_alloc_failed;
u64 mbox_intr_disabled;

11
drivers/net/ethernet/brocade/bna/cna.h
View File

@ -21,21 +21,18 @@
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/mutex.h>
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/bitops.h>
#include <linux/timer.h>
#include <linux/interrupt.h>
#include <linux/if_vlan.h>
#include <linux/if_ether.h>
#include <asm/page.h>
#include <asm/io.h>
#include <asm/string.h>
#include <linux/list.h>
#define bfa_sm_fault(__event) do { \
pr_err("SM Assertion failure: %s: %d: event = %d", __FILE__, __LINE__, \
__event); \
pr_err("SM Assertion failure: %s: %d: event = %d\n", \
__FILE__, __LINE__, __event); \
} while (0)
extern char bfa_version[];