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-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4.h4
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c151
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h15
-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/t4_regs.h33
4 files changed, 193 insertions, 10 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
index 24ce797ddbbd..46ddd432cdf2 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h
@@ -35,6 +35,8 @@
#ifndef __CXGB4_H__
#define __CXGB4_H__
+#include "t4_hw.h"
+
#include <linux/bitops.h>
#include <linux/cache.h>
#include <linux/interrupt.h>
@@ -212,6 +214,8 @@ struct tp_err_stats {
struct tp_params {
unsigned int ntxchan; /* # of Tx channels */
unsigned int tre; /* log2 of core clocks per TP tick */
+ unsigned short tx_modq_map; /* TX modulation scheduler queue to */
+ /* channel map */
uint32_t dack_re; /* DACK timer resolution */
unsigned short tx_modq[NCHAN]; /* channel to modulation queue map */
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 41537a403eef..888bc7fc7a38 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -2481,8 +2481,34 @@ int cxgb4_alloc_stid(struct tid_info *t, int family, void *data)
}
EXPORT_SYMBOL(cxgb4_alloc_stid);
-/*
- * Release a server TID.
+/* Allocate a server filter TID and set it to the supplied value.
+ */
+int cxgb4_alloc_sftid(struct tid_info *t, int family, void *data)
+{
+ int stid;
+
+ spin_lock_bh(&t->stid_lock);
+ if (family == PF_INET) {
+ stid = find_next_zero_bit(t->stid_bmap,
+ t->nstids + t->nsftids, t->nstids);
+ if (stid < (t->nstids + t->nsftids))
+ __set_bit(stid, t->stid_bmap);
+ else
+ stid = -1;
+ } else {
+ stid = -1;
+ }
+ if (stid >= 0) {
+ t->stid_tab[stid].data = data;
+ stid += t->stid_base;
+ t->stids_in_use++;
+ }
+ spin_unlock_bh(&t->stid_lock);
+ return stid;
+}
+EXPORT_SYMBOL(cxgb4_alloc_sftid);
+
+/* Release a server TID.
*/
void cxgb4_free_stid(struct tid_info *t, unsigned int stid, int family)
{
@@ -2597,12 +2623,14 @@ static int tid_init(struct tid_info *t)
unsigned int stid_bmap_size;
unsigned int natids = t->natids;
- stid_bmap_size = BITS_TO_LONGS(t->nstids);
+ stid_bmap_size = BITS_TO_LONGS(t->nstids + t->nsftids);
size = t->ntids * sizeof(*t->tid_tab) +
natids * sizeof(*t->atid_tab) +
t->nstids * sizeof(*t->stid_tab) +
+ t->nsftids * sizeof(*t->stid_tab) +
stid_bmap_size * sizeof(long) +
- t->nftids * sizeof(*t->ftid_tab);
+ t->nftids * sizeof(*t->ftid_tab) +
+ t->nsftids * sizeof(*t->ftid_tab);
t->tid_tab = t4_alloc_mem(size);
if (!t->tid_tab)
@@ -2610,7 +2638,7 @@ static int tid_init(struct tid_info *t)
t->atid_tab = (union aopen_entry *)&t->tid_tab[t->ntids];
t->stid_tab = (struct serv_entry *)&t->atid_tab[natids];
- t->stid_bmap = (unsigned long *)&t->stid_tab[t->nstids];
+ t->stid_bmap = (unsigned long *)&t->stid_tab[t->nstids + t->nsftids];
t->ftid_tab = (struct filter_entry *)&t->stid_bmap[stid_bmap_size];
spin_lock_init(&t->stid_lock);
spin_lock_init(&t->atid_lock);
@@ -2626,7 +2654,7 @@ static int tid_init(struct tid_info *t)
t->atid_tab[natids - 1].next = &t->atid_tab[natids];
t->afree = t->atid_tab;
}
- bitmap_zero(t->stid_bmap, t->nstids);
+ bitmap_zero(t->stid_bmap, t->nstids + t->nsftids);
return 0;
}
@@ -2988,6 +3016,7 @@ static void uld_attach(struct adapter *adap, unsigned int uld)
{
void *handle;
struct cxgb4_lld_info lli;
+ unsigned short i;
lli.pdev = adap->pdev;
lli.l2t = adap->l2t;
@@ -3014,10 +3043,16 @@ static void uld_attach(struct adapter *adap, unsigned int uld)
lli.ucq_density = 1 << QUEUESPERPAGEPF0_GET(
t4_read_reg(adap, SGE_INGRESS_QUEUES_PER_PAGE_PF) >>
(adap->fn * 4));
+ lli.filt_mode = tp_vlan_pri_map;
+ /* MODQ_REQ_MAP sets queues 0-3 to chan 0-3 */
+ for (i = 0; i < NCHAN; i++)
+ lli.tx_modq[i] = i;
lli.gts_reg = adap->regs + MYPF_REG(SGE_PF_GTS);
lli.db_reg = adap->regs + MYPF_REG(SGE_PF_KDOORBELL);
lli.fw_vers = adap->params.fw_vers;
lli.dbfifo_int_thresh = dbfifo_int_thresh;
+ lli.sge_pktshift = adap->sge.pktshift;
+ lli.enable_fw_ofld_conn = adap->flags & FW_OFLD_CONN;
handle = ulds[uld].add(&lli);
if (IS_ERR(handle)) {
@@ -3258,7 +3293,7 @@ static int delete_filter(struct adapter *adapter, unsigned int fidx)
struct filter_entry *f;
int ret;
- if (fidx >= adapter->tids.nftids)
+ if (fidx >= adapter->tids.nftids + adapter->tids.nsftids)
return -EINVAL;
f = &adapter->tids.ftid_tab[fidx];
@@ -3271,6 +3306,77 @@ static int delete_filter(struct adapter *adapter, unsigned int fidx)
return 0;
}
+int cxgb4_create_server_filter(const struct net_device *dev, unsigned int stid,
+ __be32 sip, __be16 sport, unsigned int queue)
+{
+ int ret;
+ struct filter_entry *f;
+ struct adapter *adap;
+ int i;
+ u8 *val;
+
+ adap = netdev2adap(dev);
+
+ /* Check to make sure the filter requested is writable ...
+ */
+ f = &adap->tids.ftid_tab[stid];
+ ret = writable_filter(f);
+ if (ret)
+ return ret;
+
+ /* Clear out any old resources being used by the filter before
+ * we start constructing the new filter.
+ */
+ if (f->valid)
+ clear_filter(adap, f);
+
+ /* Clear out filter specifications */
+ memset(&f->fs, 0, sizeof(struct ch_filter_specification));
+ f->fs.val.lport = cpu_to_be16(sport);
+ f->fs.mask.lport = ~0;
+ val = (u8 *)&sip;
+ if ((val[0] | val[1] | val[2] | val[3]) != 0)
+ for (i = 0; i < 4; i++) {
+ f->fs.val.lip[i] = val[i];
+ f->fs.mask.lip[i] = ~0;
+ }
+
+ f->fs.dirsteer = 1;
+ f->fs.iq = queue;
+ /* Mark filter as locked */
+ f->locked = 1;
+ f->fs.rpttid = 1;
+
+ ret = set_filter_wr(adap, stid);
+ if (ret) {
+ clear_filter(adap, f);
+ return ret;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(cxgb4_create_server_filter);
+
+int cxgb4_remove_server_filter(const struct net_device *dev, unsigned int stid,
+ unsigned int queue, bool ipv6)
+{
+ int ret;
+ struct filter_entry *f;
+ struct adapter *adap;
+
+ adap = netdev2adap(dev);
+ f = &adap->tids.ftid_tab[stid];
+ /* Unlock the filter */
+ f->locked = 0;
+
+ ret = delete_filter(adap, stid);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+EXPORT_SYMBOL(cxgb4_remove_server_filter);
+
static struct rtnl_link_stats64 *cxgb_get_stats(struct net_device *dev,
struct rtnl_link_stats64 *ns)
{
@@ -3517,6 +3623,34 @@ static int adap_init1(struct adapter *adap, struct fw_caps_config_cmd *c)
v = t4_read_reg(adap, TP_PIO_DATA);
t4_write_reg(adap, TP_PIO_DATA, v & ~CSUM_HAS_PSEUDO_HDR);
+ /* first 4 Tx modulation queues point to consecutive Tx channels */
+ adap->params.tp.tx_modq_map = 0xE4;
+ t4_write_reg(adap, A_TP_TX_MOD_QUEUE_REQ_MAP,
+ V_TX_MOD_QUEUE_REQ_MAP(adap->params.tp.tx_modq_map));
+
+ /* associate each Tx modulation queue with consecutive Tx channels */
+ v = 0x84218421;
+ t4_write_indirect(adap, TP_PIO_ADDR, TP_PIO_DATA,
+ &v, 1, A_TP_TX_SCHED_HDR);
+ t4_write_indirect(adap, TP_PIO_ADDR, TP_PIO_DATA,
+ &v, 1, A_TP_TX_SCHED_FIFO);
+ t4_write_indirect(adap, TP_PIO_ADDR, TP_PIO_DATA,
+ &v, 1, A_TP_TX_SCHED_PCMD);
+
+#define T4_TX_MODQ_10G_WEIGHT_DEFAULT 16 /* in KB units */
+ if (is_offload(adap)) {
+ t4_write_reg(adap, A_TP_TX_MOD_QUEUE_WEIGHT0,
+ V_TX_MODQ_WEIGHT0(T4_TX_MODQ_10G_WEIGHT_DEFAULT) |
+ V_TX_MODQ_WEIGHT1(T4_TX_MODQ_10G_WEIGHT_DEFAULT) |
+ V_TX_MODQ_WEIGHT2(T4_TX_MODQ_10G_WEIGHT_DEFAULT) |
+ V_TX_MODQ_WEIGHT3(T4_TX_MODQ_10G_WEIGHT_DEFAULT));
+ t4_write_reg(adap, A_TP_TX_MOD_CHANNEL_WEIGHT,
+ V_TX_MODQ_WEIGHT0(T4_TX_MODQ_10G_WEIGHT_DEFAULT) |
+ V_TX_MODQ_WEIGHT1(T4_TX_MODQ_10G_WEIGHT_DEFAULT) |
+ V_TX_MODQ_WEIGHT2(T4_TX_MODQ_10G_WEIGHT_DEFAULT) |
+ V_TX_MODQ_WEIGHT3(T4_TX_MODQ_10G_WEIGHT_DEFAULT));
+ }
+
/* get basic stuff going */
return t4_early_init(adap, adap->fn);
}
@@ -4938,7 +5072,8 @@ static void remove_one(struct pci_dev *pdev)
*/
if (adapter->tids.ftid_tab) {
struct filter_entry *f = &adapter->tids.ftid_tab[0];
- for (i = 0; i < adapter->tids.nftids; i++, f++)
+ for (i = 0; i < (adapter->tids.nftids +
+ adapter->tids.nsftids); i++, f++)
if (f->valid)
clear_filter(adapter, f);
}
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
index 59a61332b78c..065bbd5b2411 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_uld.h
@@ -131,7 +131,7 @@ static inline void *lookup_atid(const struct tid_info *t, unsigned int atid)
static inline void *lookup_stid(const struct tid_info *t, unsigned int stid)
{
stid -= t->stid_base;
- return stid < t->nstids ? t->stid_tab[stid].data : NULL;
+ return stid < (t->nstids + t->nsftids) ? t->stid_tab[stid].data : NULL;
}
static inline void cxgb4_insert_tid(struct tid_info *t, void *data,
@@ -143,6 +143,7 @@ static inline void cxgb4_insert_tid(struct tid_info *t, void *data,
int cxgb4_alloc_atid(struct tid_info *t, void *data);
int cxgb4_alloc_stid(struct tid_info *t, int family, void *data);
+int cxgb4_alloc_sftid(struct tid_info *t, int family, void *data);
void cxgb4_free_atid(struct tid_info *t, unsigned int atid);
void cxgb4_free_stid(struct tid_info *t, unsigned int stid, int family);
void cxgb4_remove_tid(struct tid_info *t, unsigned int qid, unsigned int tid);
@@ -151,7 +152,10 @@ struct in6_addr;
int cxgb4_create_server(const struct net_device *dev, unsigned int stid,
__be32 sip, __be16 sport, unsigned int queue);
-
+int cxgb4_create_server_filter(const struct net_device *dev, unsigned int stid,
+ __be32 sip, __be16 sport, unsigned int queue);
+int cxgb4_remove_server_filter(const struct net_device *dev, unsigned int stid,
+ unsigned int queue, bool ipv6);
static inline void set_wr_txq(struct sk_buff *skb, int prio, int queue)
{
skb_set_queue_mapping(skb, (queue << 1) | prio);
@@ -223,9 +227,16 @@ struct cxgb4_lld_info {
unsigned int iscsi_iolen; /* iSCSI max I/O length */
unsigned short udb_density; /* # of user DB/page */
unsigned short ucq_density; /* # of user CQs/page */
+ unsigned short filt_mode; /* filter optional components */
+ unsigned short tx_modq[NCHAN]; /* maps each tx channel to a */
+ /* scheduler queue */
void __iomem *gts_reg; /* address of GTS register */
void __iomem *db_reg; /* address of kernel doorbell */
int dbfifo_int_thresh; /* doorbell fifo int threshold */
+ unsigned int sge_pktshift; /* Padding between CPL and */
+ /* packet data */
+ bool enable_fw_ofld_conn; /* Enable connection through fw */
+ /* WR */
};
struct cxgb4_uld_info {
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h b/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h
index 75393f5cff41..aef529198922 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h
@@ -1064,4 +1064,37 @@
#define ADDRESS(x) ((x) << ADDRESS_SHIFT)
#define XGMAC_PORT_INT_CAUSE 0x10dc
+
+#define A_TP_TX_MOD_QUEUE_REQ_MAP 0x7e28
+
+#define A_TP_TX_MOD_CHANNEL_WEIGHT 0x7e34
+
+#define S_TX_MOD_QUEUE_REQ_MAP 0
+#define M_TX_MOD_QUEUE_REQ_MAP 0xffffU
+#define V_TX_MOD_QUEUE_REQ_MAP(x) ((x) << S_TX_MOD_QUEUE_REQ_MAP)
+
+#define A_TP_TX_MOD_QUEUE_WEIGHT0 0x7e30
+
+#define S_TX_MODQ_WEIGHT3 24
+#define M_TX_MODQ_WEIGHT3 0xffU
+#define V_TX_MODQ_WEIGHT3(x) ((x) << S_TX_MODQ_WEIGHT3)
+
+#define S_TX_MODQ_WEIGHT2 16
+#define M_TX_MODQ_WEIGHT2 0xffU
+#define V_TX_MODQ_WEIGHT2(x) ((x) << S_TX_MODQ_WEIGHT2)
+
+#define S_TX_MODQ_WEIGHT1 8
+#define M_TX_MODQ_WEIGHT1 0xffU
+#define V_TX_MODQ_WEIGHT1(x) ((x) << S_TX_MODQ_WEIGHT1)
+
+#define S_TX_MODQ_WEIGHT0 0
+#define M_TX_MODQ_WEIGHT0 0xffU
+#define V_TX_MODQ_WEIGHT0(x) ((x) << S_TX_MODQ_WEIGHT0)
+
+#define A_TP_TX_SCHED_HDR 0x23
+
+#define A_TP_TX_SCHED_FIFO 0x24
+
+#define A_TP_TX_SCHED_PCMD 0x25
+
#endif /* __T4_REGS_H */
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-31 22:39:33 +0000