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authorLinus Torvalds <torvalds@linux-foundation.org>2019-11-25 20:02:57 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2019-11-25 20:02:57 -0800
commit386403a115f95997c2715691226e11a7b5cffcfd (patch)
treea685df70bd3d5b295683713818ddf0752c3d75b6 /drivers/net/wireless/intel/iwlwifi/pcie/trans.c
parent642356cb5f4a8c82b5ca5ebac288c327d10df236 (diff)
parent622dc5ad8052f4f0c6b7a12787696a5caa3c6a58 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from David Miller: "Another merge window, another pull full of stuff: 1) Support alternative names for network devices, from Jiri Pirko. 2) Introduce per-netns netdev notifiers, also from Jiri Pirko. 3) Support MSG_PEEK in vsock/virtio, from Matias Ezequiel Vara Larsen. 4) Allow compiling out the TLS TOE code, from Jakub Kicinski. 5) Add several new tracepoints to the kTLS code, also from Jakub. 6) Support set channels ethtool callback in ena driver, from Sameeh Jubran. 7) New SCTP events SCTP_ADDR_ADDED, SCTP_ADDR_REMOVED, SCTP_ADDR_MADE_PRIM, and SCTP_SEND_FAILED_EVENT. From Xin Long. 8) Add XDP support to mvneta driver, from Lorenzo Bianconi. 9) Lots of netfilter hw offload fixes, cleanups and enhancements, from Pablo Neira Ayuso. 10) PTP support for aquantia chips, from Egor Pomozov. 11) Add UDP segmentation offload support to igb, ixgbe, and i40e. From Josh Hunt. 12) Add smart nagle to tipc, from Jon Maloy. 13) Support L2 field rewrite by TC offloads in bnxt_en, from Venkat Duvvuru. 14) Add a flow mask cache to OVS, from Tonghao Zhang. 15) Add XDP support to ice driver, from Maciej Fijalkowski. 16) Add AF_XDP support to ice driver, from Krzysztof Kazimierczak. 17) Support UDP GSO offload in atlantic driver, from Igor Russkikh. 18) Support it in stmmac driver too, from Jose Abreu. 19) Support TIPC encryption and auth, from Tuong Lien. 20) Introduce BPF trampolines, from Alexei Starovoitov. 21) Make page_pool API more numa friendly, from Saeed Mahameed. 22) Introduce route hints to ipv4 and ipv6, from Paolo Abeni. 23) Add UDP segmentation offload to cxgb4, Rahul Lakkireddy" * git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1857 commits) libbpf: Fix usage of u32 in userspace code mm: Implement no-MMU variant of vmalloc_user_node_flags slip: Fix use-after-free Read in slip_open net: dsa: sja1105: fix sja1105_parse_rgmii_delays() macvlan: schedule bc_work even if error enetc: add support Credit Based Shaper(CBS) for hardware offload net: phy: add helpers phy_(un)lock_mdio_bus mdio_bus: don't use managed reset-controller ax88179_178a: add ethtool_op_get_ts_info() mlxsw: spectrum_router: Fix use of uninitialized adjacency index mlxsw: spectrum_router: After underlay moves, demote conflicting tunnels bpf: Simplify __bpf_arch_text_poke poke type handling bpf: Introduce BPF_TRACE_x helper for the tracing tests bpf: Add bpf_jit_blinding_enabled for !CONFIG_BPF_JIT bpf, testing: Add various tail call test cases bpf, x86: Emit patchable direct jump as tail call bpf: Constant map key tracking for prog array pokes bpf: Add poke dependency tracking for prog array maps bpf: Add initial poke descriptor table for jit images bpf: Move owner type, jited info into array auxiliary data ...
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/trans.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/pcie/trans.c180
1 files changed, 90 insertions, 90 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
index 6961f00ff812..af9bc6b64542 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
@@ -190,32 +190,36 @@ static void iwl_trans_pcie_sw_reset(struct iwl_trans *trans)
static void iwl_pcie_free_fw_monitor(struct iwl_trans *trans)
{
- int i;
+ struct iwl_dram_data *fw_mon = &trans->dbg.fw_mon;
- for (i = 0; i < trans->dbg.num_blocks; i++) {
- dma_free_coherent(trans->dev, trans->dbg.fw_mon[i].size,
- trans->dbg.fw_mon[i].block,
- trans->dbg.fw_mon[i].physical);
- trans->dbg.fw_mon[i].block = NULL;
- trans->dbg.fw_mon[i].physical = 0;
- trans->dbg.fw_mon[i].size = 0;
- trans->dbg.num_blocks--;
- }
+ if (!fw_mon->size)
+ return;
+
+ dma_free_coherent(trans->dev, fw_mon->size, fw_mon->block,
+ fw_mon->physical);
+
+ fw_mon->block = NULL;
+ fw_mon->physical = 0;
+ fw_mon->size = 0;
}
static void iwl_pcie_alloc_fw_monitor_block(struct iwl_trans *trans,
u8 max_power, u8 min_power)
{
- void *cpu_addr = NULL;
- dma_addr_t phys = 0;
+ struct iwl_dram_data *fw_mon = &trans->dbg.fw_mon;
+ void *block = NULL;
+ dma_addr_t physical = 0;
u32 size = 0;
u8 power;
+ if (fw_mon->size)
+ return;
+
for (power = max_power; power >= min_power; power--) {
size = BIT(power);
- cpu_addr = dma_alloc_coherent(trans->dev, size, &phys,
- GFP_KERNEL | __GFP_NOWARN);
- if (!cpu_addr)
+ block = dma_alloc_coherent(trans->dev, size, &physical,
+ GFP_KERNEL | __GFP_NOWARN);
+ if (!block)
continue;
IWL_INFO(trans,
@@ -224,7 +228,7 @@ static void iwl_pcie_alloc_fw_monitor_block(struct iwl_trans *trans,
break;
}
- if (WARN_ON_ONCE(!cpu_addr))
+ if (WARN_ON_ONCE(!block))
return;
if (power != max_power)
@@ -233,10 +237,9 @@ static void iwl_pcie_alloc_fw_monitor_block(struct iwl_trans *trans,
(unsigned long)BIT(power - 10),
(unsigned long)BIT(max_power - 10));
- trans->dbg.fw_mon[trans->dbg.num_blocks].block = cpu_addr;
- trans->dbg.fw_mon[trans->dbg.num_blocks].physical = phys;
- trans->dbg.fw_mon[trans->dbg.num_blocks].size = size;
- trans->dbg.num_blocks++;
+ fw_mon->block = block;
+ fw_mon->physical = physical;
+ fw_mon->size = size;
}
void iwl_pcie_alloc_fw_monitor(struct iwl_trans *trans, u8 max_power)
@@ -253,11 +256,7 @@ void iwl_pcie_alloc_fw_monitor(struct iwl_trans *trans, u8 max_power)
max_power))
return;
- /*
- * This function allocats the default fw monitor.
- * The optional additional ones will be allocated in runtime
- */
- if (trans->dbg.num_blocks)
+ if (trans->dbg.fw_mon.size)
return;
iwl_pcie_alloc_fw_monitor_block(trans, max_power, 11);
@@ -891,24 +890,51 @@ static int iwl_pcie_load_cpu_sections(struct iwl_trans *trans,
return 0;
}
+static void iwl_pcie_apply_destination_ini(struct iwl_trans *trans)
+{
+ enum iwl_fw_ini_allocation_id alloc_id = IWL_FW_INI_ALLOCATION_ID_DBGC1;
+ struct iwl_fw_ini_allocation_tlv *fw_mon_cfg =
+ &trans->dbg.fw_mon_cfg[alloc_id];
+ struct iwl_dram_data *frag;
+
+ if (!iwl_trans_dbg_ini_valid(trans))
+ return;
+
+ if (le32_to_cpu(fw_mon_cfg->buf_location) ==
+ IWL_FW_INI_LOCATION_SRAM_PATH) {
+ IWL_DEBUG_FW(trans, "WRT: Applying SMEM buffer destination\n");
+ /* set sram monitor by enabling bit 7 */
+ iwl_set_bit(trans, CSR_HW_IF_CONFIG_REG,
+ CSR_HW_IF_CONFIG_REG_BIT_MONITOR_SRAM);
+
+ return;
+ }
+
+ if (le32_to_cpu(fw_mon_cfg->buf_location) !=
+ IWL_FW_INI_LOCATION_DRAM_PATH ||
+ !trans->dbg.fw_mon_ini[alloc_id].num_frags)
+ return;
+
+ frag = &trans->dbg.fw_mon_ini[alloc_id].frags[0];
+
+ IWL_DEBUG_FW(trans, "WRT: Applying DRAM destination (alloc_id=%u)\n",
+ alloc_id);
+
+ iwl_write_umac_prph(trans, MON_BUFF_BASE_ADDR_VER2,
+ frag->physical >> MON_BUFF_SHIFT_VER2);
+ iwl_write_umac_prph(trans, MON_BUFF_END_ADDR_VER2,
+ (frag->physical + frag->size - 256) >>
+ MON_BUFF_SHIFT_VER2);
+}
+
void iwl_pcie_apply_destination(struct iwl_trans *trans)
{
const struct iwl_fw_dbg_dest_tlv_v1 *dest = trans->dbg.dest_tlv;
+ const struct iwl_dram_data *fw_mon = &trans->dbg.fw_mon;
int i;
if (iwl_trans_dbg_ini_valid(trans)) {
- if (!trans->dbg.num_blocks)
- return;
-
- IWL_DEBUG_FW(trans,
- "WRT: Applying DRAM buffer[0] destination\n");
- iwl_write_umac_prph(trans, MON_BUFF_BASE_ADDR_VER2,
- trans->dbg.fw_mon[0].physical >>
- MON_BUFF_SHIFT_VER2);
- iwl_write_umac_prph(trans, MON_BUFF_END_ADDR_VER2,
- (trans->dbg.fw_mon[0].physical +
- trans->dbg.fw_mon[0].size - 256) >>
- MON_BUFF_SHIFT_VER2);
+ iwl_pcie_apply_destination_ini(trans);
return;
}
@@ -959,20 +985,17 @@ void iwl_pcie_apply_destination(struct iwl_trans *trans)
}
monitor:
- if (dest->monitor_mode == EXTERNAL_MODE && trans->dbg.fw_mon[0].size) {
+ if (dest->monitor_mode == EXTERNAL_MODE && fw_mon->size) {
iwl_write_prph(trans, le32_to_cpu(dest->base_reg),
- trans->dbg.fw_mon[0].physical >>
- dest->base_shift);
+ fw_mon->physical >> dest->base_shift);
if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_8000)
iwl_write_prph(trans, le32_to_cpu(dest->end_reg),
- (trans->dbg.fw_mon[0].physical +
- trans->dbg.fw_mon[0].size - 256) >>
- dest->end_shift);
+ (fw_mon->physical + fw_mon->size -
+ 256) >> dest->end_shift);
else
iwl_write_prph(trans, le32_to_cpu(dest->end_reg),
- (trans->dbg.fw_mon[0].physical +
- trans->dbg.fw_mon[0].size) >>
- dest->end_shift);
+ (fw_mon->physical + fw_mon->size) >>
+ dest->end_shift);
}
}
@@ -1006,14 +1029,14 @@ static int iwl_pcie_load_given_ucode(struct iwl_trans *trans,
/* supported for 7000 only for the moment */
if (iwlwifi_mod_params.fw_monitor &&
trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_7000) {
- iwl_pcie_alloc_fw_monitor(trans, 0);
+ struct iwl_dram_data *fw_mon = &trans->dbg.fw_mon;
- if (trans->dbg.fw_mon[0].size) {
+ iwl_pcie_alloc_fw_monitor(trans, 0);
+ if (fw_mon->size) {
iwl_write_prph(trans, MON_BUFF_BASE_ADDR,
- trans->dbg.fw_mon[0].physical >> 4);
+ fw_mon->physical >> 4);
iwl_write_prph(trans, MON_BUFF_END_ADDR,
- (trans->dbg.fw_mon[0].physical +
- trans->dbg.fw_mon[0].size) >> 4);
+ (fw_mon->physical + fw_mon->size) >> 4);
}
} else if (iwl_pcie_dbg_on(trans)) {
iwl_pcie_apply_destination(trans);
@@ -1112,30 +1135,12 @@ static struct iwl_causes_list causes_list[] = {
{MSIX_HW_INT_CAUSES_REG_HAP, CSR_MSIX_HW_INT_MASK_AD, 0x2E},
};
-static struct iwl_causes_list causes_list_v2[] = {
- {MSIX_FH_INT_CAUSES_D2S_CH0_NUM, CSR_MSIX_FH_INT_MASK_AD, 0},
- {MSIX_FH_INT_CAUSES_D2S_CH1_NUM, CSR_MSIX_FH_INT_MASK_AD, 0x1},
- {MSIX_FH_INT_CAUSES_S2D, CSR_MSIX_FH_INT_MASK_AD, 0x3},
- {MSIX_FH_INT_CAUSES_FH_ERR, CSR_MSIX_FH_INT_MASK_AD, 0x5},
- {MSIX_HW_INT_CAUSES_REG_ALIVE, CSR_MSIX_HW_INT_MASK_AD, 0x10},
- {MSIX_HW_INT_CAUSES_REG_IPC, CSR_MSIX_HW_INT_MASK_AD, 0x11},
- {MSIX_HW_INT_CAUSES_REG_SW_ERR_V2, CSR_MSIX_HW_INT_MASK_AD, 0x15},
- {MSIX_HW_INT_CAUSES_REG_CT_KILL, CSR_MSIX_HW_INT_MASK_AD, 0x16},
- {MSIX_HW_INT_CAUSES_REG_RF_KILL, CSR_MSIX_HW_INT_MASK_AD, 0x17},
- {MSIX_HW_INT_CAUSES_REG_PERIODIC, CSR_MSIX_HW_INT_MASK_AD, 0x18},
- {MSIX_HW_INT_CAUSES_REG_SCD, CSR_MSIX_HW_INT_MASK_AD, 0x2A},
- {MSIX_HW_INT_CAUSES_REG_FH_TX, CSR_MSIX_HW_INT_MASK_AD, 0x2B},
- {MSIX_HW_INT_CAUSES_REG_HW_ERR, CSR_MSIX_HW_INT_MASK_AD, 0x2D},
- {MSIX_HW_INT_CAUSES_REG_HAP, CSR_MSIX_HW_INT_MASK_AD, 0x2E},
-};
-
static void iwl_pcie_map_non_rx_causes(struct iwl_trans *trans)
{
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
int val = trans_pcie->def_irq | MSIX_NON_AUTO_CLEAR_CAUSE;
- int i, arr_size =
- (trans->trans_cfg->device_family != IWL_DEVICE_FAMILY_22560) ?
- ARRAY_SIZE(causes_list) : ARRAY_SIZE(causes_list_v2);
+ int i, arr_size = ARRAY_SIZE(causes_list);
+ struct iwl_causes_list *causes = causes_list;
/*
* Access all non RX causes and map them to the default irq.
@@ -1143,11 +1148,6 @@ static void iwl_pcie_map_non_rx_causes(struct iwl_trans *trans)
* the first interrupt vector will serve non-RX and FBQ causes.
*/
for (i = 0; i < arr_size; i++) {
- struct iwl_causes_list *causes =
- (trans->trans_cfg->device_family !=
- IWL_DEVICE_FAMILY_22560) ?
- causes_list : causes_list_v2;
-
iwl_write8(trans, CSR_MSIX_IVAR(causes[i].addr), val);
iwl_clear_bit(trans, causes[i].mask_reg,
causes[i].cause_num);
@@ -1871,7 +1871,7 @@ static u32 iwl_trans_pcie_read32(struct iwl_trans *trans, u32 ofs)
static u32 iwl_trans_pcie_prph_msk(struct iwl_trans *trans)
{
- if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_22560)
+ if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210)
return 0x00FFFFFF;
else
return 0x000FFFFF;
@@ -2559,7 +2559,7 @@ static ssize_t iwl_dbgfs_rx_queue_read(struct file *file,
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
char *buf;
int pos = 0, i, ret;
- size_t bufsz = sizeof(buf);
+ size_t bufsz;
bufsz = sizeof(char) * 121 * trans->num_rx_queues;
@@ -2801,7 +2801,7 @@ static ssize_t iwl_dbgfs_monitor_data_read(struct file *file,
{
struct iwl_trans *trans = file->private_data;
struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans);
- void *cpu_addr = (void *)trans->dbg.fw_mon[0].block, *curr_buf;
+ void *cpu_addr = (void *)trans->dbg.fw_mon.block, *curr_buf;
struct cont_rec *data = &trans_pcie->fw_mon_data;
u32 write_ptr_addr, wrap_cnt_addr, write_ptr, wrap_cnt;
ssize_t size, bytes_copied = 0;
@@ -2840,7 +2840,7 @@ static ssize_t iwl_dbgfs_monitor_data_read(struct file *file,
} else if (data->prev_wrap_cnt == wrap_cnt - 1 &&
write_ptr < data->prev_wr_ptr) {
- size = trans->dbg.fw_mon[0].size - data->prev_wr_ptr;
+ size = trans->dbg.fw_mon.size - data->prev_wr_ptr;
curr_buf = cpu_addr + data->prev_wr_ptr;
b_full = iwl_write_to_user_buf(user_buf, count,
curr_buf, &size,
@@ -3087,10 +3087,11 @@ iwl_trans_pcie_dump_monitor(struct iwl_trans *trans,
struct iwl_fw_error_dump_data **data,
u32 monitor_len)
{
+ struct iwl_dram_data *fw_mon = &trans->dbg.fw_mon;
u32 len = 0;
if (trans->dbg.dest_tlv ||
- (trans->dbg.num_blocks &&
+ (fw_mon->size &&
(trans->trans_cfg->device_family == IWL_DEVICE_FAMILY_7000 ||
trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210))) {
struct iwl_fw_error_dump_fw_mon *fw_mon_data;
@@ -3101,12 +3102,9 @@ iwl_trans_pcie_dump_monitor(struct iwl_trans *trans,
iwl_trans_pcie_dump_pointers(trans, fw_mon_data);
len += sizeof(**data) + sizeof(*fw_mon_data);
- if (trans->dbg.num_blocks) {
- memcpy(fw_mon_data->data,
- trans->dbg.fw_mon[0].block,
- trans->dbg.fw_mon[0].size);
-
- monitor_len = trans->dbg.fw_mon[0].size;
+ if (fw_mon->size) {
+ memcpy(fw_mon_data->data, fw_mon->block, fw_mon->size);
+ monitor_len = fw_mon->size;
} else if (trans->dbg.dest_tlv->monitor_mode == SMEM_MODE) {
u32 base = le32_to_cpu(fw_mon_data->fw_mon_base_ptr);
/*
@@ -3145,11 +3143,11 @@ iwl_trans_pcie_dump_monitor(struct iwl_trans *trans,
static int iwl_trans_get_fw_monitor_len(struct iwl_trans *trans, u32 *len)
{
- if (trans->dbg.num_blocks) {
+ if (trans->dbg.fw_mon.size) {
*len += sizeof(struct iwl_fw_error_dump_data) +
sizeof(struct iwl_fw_error_dump_fw_mon) +
- trans->dbg.fw_mon[0].size;
- return trans->dbg.fw_mon[0].size;
+ trans->dbg.fw_mon.size;
+ return trans->dbg.fw_mon.size;
} else if (trans->dbg.dest_tlv) {
u32 base, end, cfg_reg, monitor_len;
@@ -3604,6 +3602,8 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
mutex_init(&trans_pcie->fw_mon_data.mutex);
#endif
+ iwl_dbg_tlv_init(trans);
+
return trans;
out_free_ict: