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path: root/drivers/net/ethernet/chelsio/cxgb4
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Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4')
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c12
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4.h12
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c10
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c8
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c31
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_u32.c14
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/l2t.c2
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/sched.c12
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/t4_hw.c38
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h6
10 files changed, 77 insertions, 68 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c b/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c
index 7ad43af6bde1..3103ef9b561d 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/clip_tbl.c
@@ -290,8 +290,8 @@ struct clip_tbl *t4_init_clip_tbl(unsigned int clipt_start,
if (clipt_size < CLIPT_MIN_HASH_BUCKETS)
return NULL;
- ctbl = t4_alloc_mem(sizeof(*ctbl) +
- clipt_size*sizeof(struct list_head));
+ ctbl = kvzalloc(sizeof(*ctbl) +
+ clipt_size*sizeof(struct list_head), GFP_KERNEL);
if (!ctbl)
return NULL;
@@ -305,9 +305,9 @@ struct clip_tbl *t4_init_clip_tbl(unsigned int clipt_start,
for (i = 0; i < ctbl->clipt_size; ++i)
INIT_LIST_HEAD(&ctbl->hash_list[i]);
- cl_list = t4_alloc_mem(clipt_size*sizeof(struct clip_entry));
+ cl_list = kvzalloc(clipt_size*sizeof(struct clip_entry), GFP_KERNEL);
if (!cl_list) {
- t4_free_mem(ctbl);
+ kvfree(ctbl);
return NULL;
}
ctbl->cl_list = (void *)cl_list;
@@ -326,8 +326,8 @@ void t4_cleanup_clip_tbl(struct adapter *adap)
if (ctbl) {
if (ctbl->cl_list)
- t4_free_mem(ctbl->cl_list);
- t4_free_mem(ctbl);
+ kvfree(ctbl->cl_list);
+ kvfree(ctbl);
}
}
EXPORT_SYMBOL(t4_cleanup_clip_tbl);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
index 163543b1ea0b..e88c1808e46f 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
@@ -108,6 +108,12 @@ enum {
PAUSE_AUTONEG = 1 << 2
};
+enum {
+ FEC_AUTO = 1 << 0, /* IEEE 802.3 "automatic" */
+ FEC_RS = 1 << 1, /* Reed-Solomon */
+ FEC_BASER_RS = 1 << 2 /* BaseR/Reed-Solomon */
+};
+
struct port_stats {
u64 tx_octets; /* total # of octets in good frames */
u64 tx_frames; /* all good frames */
@@ -432,6 +438,9 @@ struct link_config {
unsigned int speed; /* actual link speed */
unsigned char requested_fc; /* flow control user has requested */
unsigned char fc; /* actual link flow control */
+ unsigned char auto_fec; /* Forward Error Correction: */
+ unsigned char requested_fec; /* "automatic" (IEEE 802.3), */
+ unsigned char fec; /* requested, and actual in use */
unsigned char autoneg; /* autonegotiating? */
unsigned char link_ok; /* link up? */
unsigned char link_down_rc; /* link down reason */
@@ -1184,8 +1193,6 @@ extern const char cxgb4_driver_version[];
void t4_os_portmod_changed(const struct adapter *adap, int port_id);
void t4_os_link_changed(struct adapter *adap, int port_id, int link_stat);
-void *t4_alloc_mem(size_t size);
-
void t4_free_sge_resources(struct adapter *adap);
void t4_free_ofld_rxqs(struct adapter *adap, int n, struct sge_ofld_rxq *q);
irq_handler_t t4_intr_handler(struct adapter *adap);
@@ -1557,7 +1564,6 @@ int t4_sched_params(struct adapter *adapter, int type, int level, int mode,
int rateunit, int ratemode, int channel, int class,
int minrate, int maxrate, int weight, int pktsize);
void t4_sge_decode_idma_state(struct adapter *adapter, int state);
-void t4_free_mem(void *addr);
void t4_idma_monitor_init(struct adapter *adapter,
struct sge_idma_monitor_state *idma);
void t4_idma_monitor(struct adapter *adapter,
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
index f6e739da7bb7..1fa34b009891 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
@@ -2634,7 +2634,7 @@ static ssize_t mem_read(struct file *file, char __user *buf, size_t count,
if (count > avail - pos)
count = avail - pos;
- data = t4_alloc_mem(count);
+ data = kvzalloc(count, GFP_KERNEL);
if (!data)
return -ENOMEM;
@@ -2642,12 +2642,12 @@ static ssize_t mem_read(struct file *file, char __user *buf, size_t count,
ret = t4_memory_rw(adap, 0, mem, pos, count, data, T4_MEMORY_READ);
spin_unlock(&adap->win0_lock);
if (ret) {
- t4_free_mem(data);
+ kvfree(data);
return ret;
}
ret = copy_to_user(buf, data, count);
- t4_free_mem(data);
+ kvfree(data);
if (ret)
return -EFAULT;
@@ -2753,7 +2753,7 @@ static ssize_t blocked_fl_read(struct file *filp, char __user *ubuf,
adap->sge.egr_sz, adap->sge.blocked_fl);
len += sprintf(buf + len, "\n");
size = simple_read_from_buffer(ubuf, count, ppos, buf, len);
- t4_free_mem(buf);
+ kvfree(buf);
return size;
}
@@ -2773,7 +2773,7 @@ static ssize_t blocked_fl_write(struct file *filp, const char __user *ubuf,
return err;
bitmap_copy(adap->sge.blocked_fl, t, adap->sge.egr_sz);
- t4_free_mem(t);
+ kvfree(t);
return count;
}
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c
index 02f80febeb91..0ba7866c8259 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c
@@ -969,7 +969,7 @@ static int get_eeprom(struct net_device *dev, struct ethtool_eeprom *e,
{
int i, err = 0;
struct adapter *adapter = netdev2adap(dev);
- u8 *buf = t4_alloc_mem(EEPROMSIZE);
+ u8 *buf = kvzalloc(EEPROMSIZE, GFP_KERNEL);
if (!buf)
return -ENOMEM;
@@ -980,7 +980,7 @@ static int get_eeprom(struct net_device *dev, struct ethtool_eeprom *e,
if (!err)
memcpy(data, buf + e->offset, e->len);
- t4_free_mem(buf);
+ kvfree(buf);
return err;
}
@@ -1009,7 +1009,7 @@ static int set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
if (aligned_offset != eeprom->offset || aligned_len != eeprom->len) {
/* RMW possibly needed for first or last words.
*/
- buf = t4_alloc_mem(aligned_len);
+ buf = kvzalloc(aligned_len, GFP_KERNEL);
if (!buf)
return -ENOMEM;
err = eeprom_rd_phys(adapter, aligned_offset, (u32 *)buf);
@@ -1037,7 +1037,7 @@ static int set_eeprom(struct net_device *dev, struct ethtool_eeprom *eeprom,
err = t4_seeprom_wp(adapter, true);
out:
if (buf != data)
- t4_free_mem(buf);
+ kvfree(buf);
return err;
}
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index c12c4a3b82b5..38a5c6764bb5 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -880,27 +880,6 @@ freeout:
return err;
}
-/*
- * Allocate a chunk of memory using kmalloc or, if that fails, vmalloc.
- * The allocated memory is cleared.
- */
-void *t4_alloc_mem(size_t size)
-{
- void *p = kzalloc(size, GFP_KERNEL | __GFP_NOWARN);
-
- if (!p)
- p = vzalloc(size);
- return p;
-}
-
-/*
- * Free memory allocated through alloc_mem().
- */
-void t4_free_mem(void *addr)
-{
- kvfree(addr);
-}
-
static u16 cxgb_select_queue(struct net_device *dev, struct sk_buff *skb,
void *accel_priv, select_queue_fallback_t fallback)
{
@@ -1299,7 +1278,7 @@ static int tid_init(struct tid_info *t)
max_ftids * sizeof(*t->ftid_tab) +
ftid_bmap_size * sizeof(long);
- t->tid_tab = t4_alloc_mem(size);
+ t->tid_tab = kvzalloc(size, GFP_KERNEL);
if (!t->tid_tab)
return -ENOMEM;
@@ -3445,7 +3424,7 @@ static int adap_init0(struct adapter *adap)
/* allocate memory to read the header of the firmware on the
* card
*/
- card_fw = t4_alloc_mem(sizeof(*card_fw));
+ card_fw = kvzalloc(sizeof(*card_fw), GFP_KERNEL);
/* Get FW from from /lib/firmware/ */
ret = request_firmware(&fw, fw_info->fw_mod_name,
@@ -3465,7 +3444,7 @@ static int adap_init0(struct adapter *adap)
/* Cleaning up */
release_firmware(fw);
- t4_free_mem(card_fw);
+ kvfree(card_fw);
if (ret < 0)
goto bye;
@@ -4470,9 +4449,9 @@ static void free_some_resources(struct adapter *adapter)
{
unsigned int i;
- t4_free_mem(adapter->l2t);
+ kvfree(adapter->l2t);
t4_cleanup_sched(adapter);
- t4_free_mem(adapter->tids.tid_tab);
+ kvfree(adapter->tids.tid_tab);
cxgb4_cleanup_tc_u32(adapter);
kfree(adapter->sge.egr_map);
kfree(adapter->sge.ingr_map);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_u32.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_u32.c
index a1b19422b339..ef06ce8247ab 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_u32.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_u32.c
@@ -432,9 +432,9 @@ void cxgb4_cleanup_tc_u32(struct adapter *adap)
for (i = 0; i < t->size; i++) {
struct cxgb4_link *link = &t->table[i];
- t4_free_mem(link->tid_map);
+ kvfree(link->tid_map);
}
- t4_free_mem(adap->tc_u32);
+ kvfree(adap->tc_u32);
}
struct cxgb4_tc_u32_table *cxgb4_init_tc_u32(struct adapter *adap)
@@ -446,8 +446,8 @@ struct cxgb4_tc_u32_table *cxgb4_init_tc_u32(struct adapter *adap)
if (!max_tids)
return NULL;
- t = t4_alloc_mem(sizeof(*t) +
- (max_tids * sizeof(struct cxgb4_link)));
+ t = kvzalloc(sizeof(*t) +
+ (max_tids * sizeof(struct cxgb4_link)), GFP_KERNEL);
if (!t)
return NULL;
@@ -458,7 +458,7 @@ struct cxgb4_tc_u32_table *cxgb4_init_tc_u32(struct adapter *adap)
unsigned int bmap_size;
bmap_size = BITS_TO_LONGS(max_tids);
- link->tid_map = t4_alloc_mem(sizeof(unsigned long) * bmap_size);
+ link->tid_map = kvzalloc(sizeof(unsigned long) * bmap_size, GFP_KERNEL);
if (!link->tid_map)
goto out_no_mem;
bitmap_zero(link->tid_map, max_tids);
@@ -471,11 +471,11 @@ out_no_mem:
struct cxgb4_link *link = &t->table[i];
if (link->tid_map)
- t4_free_mem(link->tid_map);
+ kvfree(link->tid_map);
}
if (t)
- t4_free_mem(t);
+ kvfree(t);
return NULL;
}
diff --git a/drivers/net/ethernet/chelsio/cxgb4/l2t.c b/drivers/net/ethernet/chelsio/cxgb4/l2t.c
index 7c8c5b9a3c22..6f3692db29af 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/l2t.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/l2t.c
@@ -646,7 +646,7 @@ struct l2t_data *t4_init_l2t(unsigned int l2t_start, unsigned int l2t_end)
if (l2t_size < L2T_MIN_HASH_BUCKETS)
return NULL;
- d = t4_alloc_mem(sizeof(*d) + l2t_size * sizeof(struct l2t_entry));
+ d = kvzalloc(sizeof(*d) + l2t_size * sizeof(struct l2t_entry), GFP_KERNEL);
if (!d)
return NULL;
diff --git a/drivers/net/ethernet/chelsio/cxgb4/sched.c b/drivers/net/ethernet/chelsio/cxgb4/sched.c
index c9026352a842..02acff741f11 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/sched.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/sched.c
@@ -177,7 +177,7 @@ static int t4_sched_queue_unbind(struct port_info *pi, struct ch_sched_queue *p)
}
list_del(&qe->list);
- t4_free_mem(qe);
+ kvfree(qe);
if (atomic_dec_and_test(&e->refcnt)) {
e->state = SCHED_STATE_UNUSED;
memset(&e->info, 0, sizeof(e->info));
@@ -201,7 +201,7 @@ static int t4_sched_queue_bind(struct port_info *pi, struct ch_sched_queue *p)
if (p->queue < 0 || p->queue >= pi->nqsets)
return -ERANGE;
- qe = t4_alloc_mem(sizeof(struct sched_queue_entry));
+ qe = kvzalloc(sizeof(struct sched_queue_entry), GFP_KERNEL);
if (!qe)
return -ENOMEM;
@@ -211,7 +211,7 @@ static int t4_sched_queue_bind(struct port_info *pi, struct ch_sched_queue *p)
/* Unbind queue from any existing class */
err = t4_sched_queue_unbind(pi, p);
if (err) {
- t4_free_mem(qe);
+ kvfree(qe);
goto out;
}
@@ -224,7 +224,7 @@ static int t4_sched_queue_bind(struct port_info *pi, struct ch_sched_queue *p)
spin_lock(&e->lock);
err = t4_sched_bind_unbind_op(pi, (void *)qe, SCHED_QUEUE, true);
if (err) {
- t4_free_mem(qe);
+ kvfree(qe);
spin_unlock(&e->lock);
goto out;
}
@@ -512,7 +512,7 @@ struct sched_table *t4_init_sched(unsigned int sched_size)
struct sched_table *s;
unsigned int i;
- s = t4_alloc_mem(sizeof(*s) + sched_size * sizeof(struct sched_class));
+ s = kvzalloc(sizeof(*s) + sched_size * sizeof(struct sched_class), GFP_KERNEL);
if (!s)
return NULL;
@@ -548,6 +548,6 @@ void t4_cleanup_sched(struct adapter *adap)
t4_sched_class_free(pi, e);
write_unlock(&s->rw_lock);
}
- t4_free_mem(s);
+ kvfree(s);
}
}
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index 0de8eb72325c..aded42b96f6d 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -3707,7 +3707,8 @@ int t4_link_l1cfg(struct adapter *adap, unsigned int mbox, unsigned int port,
struct link_config *lc)
{
struct fw_port_cmd c;
- unsigned int fc = 0, mdi = FW_PORT_CAP_MDI_V(FW_PORT_CAP_MDI_AUTO);
+ unsigned int mdi = FW_PORT_CAP_MDI_V(FW_PORT_CAP_MDI_AUTO);
+ unsigned int fc = 0, fec = 0, fw_fec = 0;
lc->link_ok = 0;
if (lc->requested_fc & PAUSE_RX)
@@ -3715,6 +3716,13 @@ int t4_link_l1cfg(struct adapter *adap, unsigned int mbox, unsigned int port,
if (lc->requested_fc & PAUSE_TX)
fc |= FW_PORT_CAP_FC_TX;
+ fec = lc->requested_fec & FEC_AUTO ? lc->auto_fec : lc->requested_fec;
+
+ if (fec & FEC_RS)
+ fw_fec |= FW_PORT_CAP_FEC_RS;
+ if (fec & FEC_BASER_RS)
+ fw_fec |= FW_PORT_CAP_FEC_BASER_RS;
+
memset(&c, 0, sizeof(c));
c.op_to_portid = cpu_to_be32(FW_CMD_OP_V(FW_PORT_CMD) |
FW_CMD_REQUEST_F | FW_CMD_EXEC_F |
@@ -3725,13 +3733,15 @@ int t4_link_l1cfg(struct adapter *adap, unsigned int mbox, unsigned int port,
if (!(lc->supported & FW_PORT_CAP_ANEG)) {
c.u.l1cfg.rcap = cpu_to_be32((lc->supported & ADVERT_MASK) |
- fc);
+ fc | fw_fec);
lc->fc = lc->requested_fc & (PAUSE_RX | PAUSE_TX);
} else if (lc->autoneg == AUTONEG_DISABLE) {
- c.u.l1cfg.rcap = cpu_to_be32(lc->requested_speed | fc | mdi);
+ c.u.l1cfg.rcap = cpu_to_be32(lc->requested_speed | fc |
+ fw_fec | mdi);
lc->fc = lc->requested_fc & (PAUSE_RX | PAUSE_TX);
} else
- c.u.l1cfg.rcap = cpu_to_be32(lc->advertising | fc | mdi);
+ c.u.l1cfg.rcap = cpu_to_be32(lc->advertising | fc |
+ fw_fec | mdi);
return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL);
}
@@ -7407,13 +7417,26 @@ static void get_pci_mode(struct adapter *adapter, struct pci_params *p)
* Initializes the SW state maintained for each link, including the link's
* capabilities and default speed/flow-control/autonegotiation settings.
*/
-static void init_link_config(struct link_config *lc, unsigned int caps)
+static void init_link_config(struct link_config *lc, unsigned int pcaps,
+ unsigned int acaps)
{
- lc->supported = caps;
+ lc->supported = pcaps;
lc->lp_advertising = 0;
lc->requested_speed = 0;
lc->speed = 0;
lc->requested_fc = lc->fc = PAUSE_RX | PAUSE_TX;
+ lc->auto_fec = 0;
+
+ /* For Forward Error Control, we default to whatever the Firmware
+ * tells us the Link is currently advertising.
+ */
+ if (acaps & FW_PORT_CAP_FEC_RS)
+ lc->auto_fec |= FEC_RS;
+ if (acaps & FW_PORT_CAP_FEC_BASER_RS)
+ lc->auto_fec |= FEC_BASER_RS;
+ lc->requested_fec = FEC_AUTO;
+ lc->fec = lc->auto_fec;
+
if (lc->supported & FW_PORT_CAP_ANEG) {
lc->advertising = lc->supported & ADVERT_MASK;
lc->autoneg = AUTONEG_ENABLE;
@@ -7991,7 +8014,8 @@ int t4_init_portinfo(struct port_info *pi, int mbox,
pi->port_type = FW_PORT_CMD_PTYPE_G(ret);
pi->mod_type = FW_PORT_MOD_TYPE_NA;
- init_link_config(&pi->link_cfg, be16_to_cpu(c.u.info.pcap));
+ init_link_config(&pi->link_cfg, be16_to_cpu(c.u.info.pcap),
+ be16_to_cpu(c.u.info.acap));
return 0;
}
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
index 8f8c079d0d2b..251a35e9795c 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
@@ -2263,9 +2263,9 @@ enum fw_port_cap {
FW_PORT_CAP_ANEG = 0x0100,
FW_PORT_CAP_MDIX = 0x0200,
FW_PORT_CAP_MDIAUTO = 0x0400,
- FW_PORT_CAP_FEC = 0x0800,
- FW_PORT_CAP_TECHKR = 0x1000,
- FW_PORT_CAP_TECHKX4 = 0x2000,
+ FW_PORT_CAP_FEC_RS = 0x0800,
+ FW_PORT_CAP_FEC_BASER_RS = 0x1000,
+ FW_PORT_CAP_FEC_RESERVED = 0x2000,
FW_PORT_CAP_802_3_PAUSE = 0x4000,
FW_PORT_CAP_802_3_ASM_DIR = 0x8000,
};
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.