[PATCH] qede: fix CONFIG_INFINIBAND_QEDR=m build error

From: Arnd Bergmann
Date: Wed Oct 12 2016 - 06:34:05 EST


The newly introduced INFINIBAND_QEDR option is 'tristate' but
fails to build when set to 'm':

drivers/net/built-in.o: In function `qed_hw_init':
(.text+0x1c0e17): undefined reference to `qed_rdma_dpm_bar'
drivers/net/built-in.o: In function `qed_eq_completion':
(.text+0x1d185b): undefined reference to `qed_async_roce_event'
drivers/net/built-in.o: In function `qed_ll2_txq_completion':
qed_ll2.c:(.text+0x1e2fdd): undefined reference to `qed_ll2b_complete_tx_gsi_packet'
drivers/net/built-in.o: In function `qed_ll2_rxq_completion':
qed_ll2.c:(.text+0x1e479a): undefined reference to `qed_ll2b_complete_rx_gsi_packet'
drivers/net/built-in.o: In function `qed_ll2_terminate_connection':
(.text+0x1e5645): undefined reference to `qed_ll2b_release_tx_gsi_packet'

There are multiple problems here:

- The option should be 'bool', as this is not a separate module
but rather a single file that gets added to the normal driver
module

- The qed_rdma_dpm_bar() helper function should have been 'static
inline' as it's declared in a header file, the current workaround
of including qed_roce.h conditionally is not good

- There is no reason to use '#if' all the time to check for the
symbol, it should use use 'if IS_ENABLED()' to make the code
more readable and get better compile coverage.

This addresses all three of the above.

Fixes: cee9fbd8e2e9 ("qede: Add qedr framework")
Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
---
drivers/net/ethernet/qlogic/Kconfig | 2 +-
drivers/net/ethernet/qlogic/qed/qed_cxt.c | 6 +-----
drivers/net/ethernet/qlogic/qed/qed_dev.c | 7 +++----
drivers/net/ethernet/qlogic/qed/qed_main.c | 24 +++++++++++-------------
drivers/net/ethernet/qlogic/qed/qed_roce.h | 4 ----
drivers/net/ethernet/qlogic/qed/qed_spq.c | 13 ++++++-------
6 files changed, 22 insertions(+), 34 deletions(-)

diff --git a/drivers/net/ethernet/qlogic/Kconfig b/drivers/net/ethernet/qlogic/Kconfig
index 0df1391f9663..90562cf8fa19 100644
--- a/drivers/net/ethernet/qlogic/Kconfig
+++ b/drivers/net/ethernet/qlogic/Kconfig
@@ -108,7 +108,7 @@ config QEDE
This enables the support for ...

config INFINIBAND_QEDR
- tristate "QLogic qede RoCE sources [debug]"
+ bool "QLogic qede RoCE sources [debug]"
depends on QEDE && 64BIT
select QED_LL2
default n
diff --git a/drivers/net/ethernet/qlogic/qed/qed_cxt.c b/drivers/net/ethernet/qlogic/qed/qed_cxt.c
index 82370a1a59ad..0a3ffcd9f073 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_cxt.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_cxt.c
@@ -48,12 +48,8 @@
#define TM_ELEM_SIZE 4

/* ILT constants */
-#if IS_ENABLED(CONFIG_INFINIBAND_QEDR)
/* For RoCE we configure to 64K to cover for RoCE max tasks 256K purpose. */
-#define ILT_DEFAULT_HW_P_SIZE 4
-#else
-#define ILT_DEFAULT_HW_P_SIZE 3
-#endif
+#define ILT_DEFAULT_HW_P_SIZE IS_ENABLED(CONFIG_INFINIBAND_QEDR) ? 4 : 3

#define ILT_PAGE_IN_BYTES(hw_p_size) (1U << ((hw_p_size) + 12))
#define ILT_CFG_REG(cli, reg) PSWRQ2_REG_ ## cli ## _ ## reg ## _RT_OFFSET
diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c b/drivers/net/ethernet/qlogic/qed/qed_dev.c
index 754f6a908858..63a38e3b8f3f 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_dev.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c
@@ -890,7 +890,7 @@ qed_hw_init_pf_doorbell_bar(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt)
n_cpus = 1;
rc = qed_hw_init_dpi_size(p_hwfn, p_ptt, pwm_regsize, n_cpus);

- if (cond)
+ if (IS_ENABLED(CONFIG_INFINIBAND_QEDR) && cond)
qed_rdma_dpm_bar(p_hwfn, p_ptt);
}

@@ -1422,19 +1422,18 @@ static void qed_hw_set_feat(struct qed_hwfn *p_hwfn)
u32 *feat_num = p_hwfn->hw_info.feat_num;
int num_features = 1;

-#if IS_ENABLED(CONFIG_INFINIBAND_QEDR)
/* Roce CNQ each requires: 1 status block + 1 CNQ. We divide the
* status blocks equally between L2 / RoCE but with consideration as
* to how many l2 queues / cnqs we have
*/
- if (p_hwfn->hw_info.personality == QED_PCI_ETH_ROCE) {
+ if (IS_ENABLED(CONFIG_INFINIBAND_QEDR) &&
+ p_hwfn->hw_info.personality == QED_PCI_ETH_ROCE) {
num_features++;

feat_num[QED_RDMA_CNQ] =
min_t(u32, RESC_NUM(p_hwfn, QED_SB) / num_features,
RESC_NUM(p_hwfn, QED_RDMA_CNQ_RAM));
}
-#endif
feat_num[QED_PF_L2_QUE] = min_t(u32, RESC_NUM(p_hwfn, QED_SB) /
num_features,
RESC_NUM(p_hwfn, QED_L2_QUEUE));
diff --git a/drivers/net/ethernet/qlogic/qed/qed_main.c b/drivers/net/ethernet/qlogic/qed/qed_main.c
index 4ee3151e80c2..36023a3583f2 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_main.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_main.c
@@ -33,10 +33,8 @@
#include "qed_hw.h"
#include "qed_selftest.h"

-#if IS_ENABLED(CONFIG_INFINIBAND_QEDR)
#define QED_ROCE_QPS (8192)
#define QED_ROCE_DPIS (8)
-#endif

static char version[] =
"QLogic FastLinQ 4xxxx Core Module qed " DRV_MODULE_VERSION "\n";
@@ -682,9 +680,7 @@ static int qed_slowpath_setup_int(struct qed_dev *cdev,
enum qed_int_mode int_mode)
{
struct qed_sb_cnt_info sb_cnt_info;
-#if IS_ENABLED(CONFIG_INFINIBAND_QEDR)
int num_l2_queues;
-#endif
int rc;
int i;

@@ -715,7 +711,9 @@ static int qed_slowpath_setup_int(struct qed_dev *cdev,
cdev->int_params.fp_msix_cnt = cdev->int_params.out.num_vectors -
cdev->num_hwfns;

-#if IS_ENABLED(CONFIG_INFINIBAND_QEDR)
+ if (!IS_ENABLED(CONFIG_INFINIBAND_QEDR))
+ return 0;
+
num_l2_queues = 0;
for_each_hwfn(cdev, i)
num_l2_queues += FEAT_NUM(&cdev->hwfns[i], QED_PF_L2_QUE);
@@ -738,7 +736,6 @@ static int qed_slowpath_setup_int(struct qed_dev *cdev,
DP_VERBOSE(cdev, QED_MSG_RDMA, "roce_msix_cnt=%d roce_msix_base=%d\n",
cdev->int_params.rdma_msix_cnt,
cdev->int_params.rdma_msix_base);
-#endif

return 0;
}
@@ -843,13 +840,14 @@ static void qed_update_pf_params(struct qed_dev *cdev,
{
int i;

-#if IS_ENABLED(CONFIG_INFINIBAND_QEDR)
- params->rdma_pf_params.num_qps = QED_ROCE_QPS;
- params->rdma_pf_params.min_dpis = QED_ROCE_DPIS;
- /* divide by 3 the MRs to avoid MF ILT overflow */
- params->rdma_pf_params.num_mrs = RDMA_MAX_TIDS;
- params->rdma_pf_params.gl_pi = QED_ROCE_PROTOCOL_INDEX;
-#endif
+ if (IS_ENABLED(CONFIG_INFINIBAND_QEDR)) {
+ params->rdma_pf_params.num_qps = QED_ROCE_QPS;
+ params->rdma_pf_params.min_dpis = QED_ROCE_DPIS;
+ /* divide by 3 the MRs to avoid MF ILT overflow */
+ params->rdma_pf_params.num_mrs = RDMA_MAX_TIDS;
+ params->rdma_pf_params.gl_pi = QED_ROCE_PROTOCOL_INDEX;
+ }
+
for (i = 0; i < cdev->num_hwfns; i++) {
struct qed_hwfn *p_hwfn = &cdev->hwfns[i];

diff --git a/drivers/net/ethernet/qlogic/qed/qed_roce.h b/drivers/net/ethernet/qlogic/qed/qed_roce.h
index 2f091e8a0f40..c59baaca6f3d 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_roce.h
+++ b/drivers/net/ethernet/qlogic/qed/qed_roce.h
@@ -208,9 +208,5 @@ int qed_rdma_modify_qp(void *rdma_cxt, struct qed_rdma_qp *qp,
int qed_rdma_query_qp(void *rdma_cxt, struct qed_rdma_qp *qp,
struct qed_rdma_query_qp_out_params *out_params);

-#if IS_ENABLED(CONFIG_INFINIBAND_QEDR)
void qed_rdma_dpm_bar(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
-#else
-void qed_rdma_dpm_bar(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) {}
-#endif
#endif
diff --git a/drivers/net/ethernet/qlogic/qed/qed_spq.c b/drivers/net/ethernet/qlogic/qed/qed_spq.c
index caff41544898..c68d1bca2fc6 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_spq.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_spq.c
@@ -28,9 +28,7 @@
#include "qed_reg_addr.h"
#include "qed_sp.h"
#include "qed_sriov.h"
-#if IS_ENABLED(CONFIG_INFINIBAND_QEDR)
#include "qed_roce.h"
-#endif

/***************************************************************************
* Structures & Definitions
@@ -240,15 +238,16 @@ qed_async_event_completion(struct qed_hwfn *p_hwfn,
struct event_ring_entry *p_eqe)
{
switch (p_eqe->protocol_id) {
-#if IS_ENABLED(CONFIG_INFINIBAND_QEDR)
- case PROTOCOLID_ROCE:
- qed_async_roce_event(p_hwfn, p_eqe);
- return 0;
-#endif
case PROTOCOLID_COMMON:
return qed_sriov_eqe_event(p_hwfn,
p_eqe->opcode,
p_eqe->echo, &p_eqe->data);
+ case PROTOCOLID_ROCE:
+ if (IS_ENABLED(CONFIG_INFINIBAND_QEDR)) {
+ qed_async_roce_event(p_hwfn, p_eqe);
+ return 0;
+ }
+ /* fallthrough */
default:
DP_NOTICE(p_hwfn,
"Unknown Async completion for protocol: %d\n",
--
2.9.0