DPDK patches and discussions
 help / color / mirror / Atom feed
From: <pbhagavatula@marvell.com>
To: <jerinj@marvell.com>, Pavan Nikhilesh <pbhagavatula@marvell.com>
Cc: <dev@dpdk.org>, Nithin Dabilpuram <ndabilpuram@marvell.com>
Subject: [dpdk-dev] [PATCH v3 5/6] event/octeontx2: add Tx adadpter support
Date: Wed, 3 Jul 2019 15:34:29 +0530	[thread overview]
Message-ID: <20190703100430.716-6-pbhagavatula@marvell.com> (raw)
In-Reply-To: <20190703100430.716-1-pbhagavatula@marvell.com>

From: Pavan Nikhilesh <pbhagavatula@marvell.com>

Add event eth Tx adapter support to octeontx2 SSO.

Signed-off-by: Jerin Jacob <jerinj@marvell.com>
Signed-off-by: Pavan Nikhilesh <pbhagavatula@marvell.com>
Signed-off-by: Nithin Dabilpuram <ndabilpuram@marvell.com>
---
 drivers/event/octeontx2/otx2_evdev.c       | 79 ++++++++++++++++++++
 drivers/event/octeontx2/otx2_evdev.h       | 32 ++++++++
 drivers/event/octeontx2/otx2_evdev_adptr.c | 86 ++++++++++++++++++++++
 drivers/event/octeontx2/otx2_worker.c      | 29 ++++++++
 drivers/event/octeontx2/otx2_worker.h      | 49 ++++++++++++
 drivers/event/octeontx2/otx2_worker_dual.c | 35 +++++++++
 6 files changed, 310 insertions(+)

diff --git a/drivers/event/octeontx2/otx2_evdev.c b/drivers/event/octeontx2/otx2_evdev.c
index ca75e4215..56716c2ac 100644
--- a/drivers/event/octeontx2/otx2_evdev.c
+++ b/drivers/event/octeontx2/otx2_evdev.c
@@ -168,6 +168,39 @@ SSO_RX_ADPTR_ENQ_FASTPATH_FUNC
 #undef R
 	};
 
+	/* Tx modes */
+	const event_tx_adapter_enqueue ssogws_tx_adptr_enq[2][2][2][2][2] = {
+#define T(name, f4, f3, f2, f1, f0, sz, flags)				\
+		[f4][f3][f2][f1][f0] =  otx2_ssogws_tx_adptr_enq_ ## name,
+SSO_TX_ADPTR_ENQ_FASTPATH_FUNC
+#undef T
+	};
+
+	const event_tx_adapter_enqueue
+		ssogws_tx_adptr_enq_seg[2][2][2][2][2] = {
+#define T(name, f4, f3, f2, f1, f0, sz, flags)				\
+		[f4][f3][f2][f1][f0] =  otx2_ssogws_tx_adptr_enq_seg_ ## name,
+SSO_TX_ADPTR_ENQ_FASTPATH_FUNC
+#undef T
+	};
+
+	const event_tx_adapter_enqueue
+		ssogws_dual_tx_adptr_enq[2][2][2][2][2] = {
+#define T(name, f4, f3, f2, f1, f0, sz, flags)				\
+		[f4][f3][f2][f1][f0] =  otx2_ssogws_dual_tx_adptr_enq_ ## name,
+SSO_TX_ADPTR_ENQ_FASTPATH_FUNC
+#undef T
+	};
+
+	const event_tx_adapter_enqueue
+		ssogws_dual_tx_adptr_enq_seg[2][2][2][2][2] = {
+#define T(name, f4, f3, f2, f1, f0, sz, flags)				\
+		[f4][f3][f2][f1][f0] =					\
+			otx2_ssogws_dual_tx_adptr_enq_seg_ ## name,
+SSO_TX_ADPTR_ENQ_FASTPATH_FUNC
+#undef T
+	};
+
 	event_dev->enqueue			= otx2_ssogws_enq;
 	event_dev->enqueue_burst		= otx2_ssogws_enq_burst;
 	event_dev->enqueue_new_burst		= otx2_ssogws_enq_new_burst;
@@ -238,6 +271,23 @@ SSO_RX_ADPTR_ENQ_FASTPATH_FUNC
 		}
 	}
 
+	if (dev->tx_offloads & NIX_TX_MULTI_SEG_F) {
+		/* [TSMP] [MBUF_NOFF] [VLAN] [OL3_L4_CSUM] [L3_L4_CSUM] */
+		event_dev->txa_enqueue = ssogws_tx_adptr_enq_seg
+			[!!(dev->tx_offloads & NIX_TX_OFFLOAD_TSTAMP_F)]
+			[!!(dev->tx_offloads & NIX_TX_OFFLOAD_MBUF_NOFF_F)]
+			[!!(dev->tx_offloads & NIX_TX_OFFLOAD_VLAN_QINQ_F)]
+			[!!(dev->tx_offloads & NIX_TX_OFFLOAD_OL3_OL4_CSUM_F)]
+			[!!(dev->tx_offloads & NIX_TX_OFFLOAD_L3_L4_CSUM_F)];
+	} else {
+		event_dev->txa_enqueue = ssogws_tx_adptr_enq
+			[!!(dev->tx_offloads & NIX_TX_OFFLOAD_TSTAMP_F)]
+			[!!(dev->tx_offloads & NIX_TX_OFFLOAD_MBUF_NOFF_F)]
+			[!!(dev->tx_offloads & NIX_TX_OFFLOAD_VLAN_QINQ_F)]
+			[!!(dev->tx_offloads & NIX_TX_OFFLOAD_OL3_OL4_CSUM_F)]
+			[!!(dev->tx_offloads & NIX_TX_OFFLOAD_L3_L4_CSUM_F)];
+	}
+
 	if (dev->dual_ws) {
 		event_dev->enqueue		= otx2_ssogws_dual_enq;
 		event_dev->enqueue_burst	= otx2_ssogws_dual_enq_burst;
@@ -352,6 +402,31 @@ SSO_RX_ADPTR_ENQ_FASTPATH_FUNC
 							NIX_RX_OFFLOAD_RSS_F)];
 			}
 		}
+
+		if (dev->tx_offloads & NIX_TX_MULTI_SEG_F) {
+		/* [TSMP] [MBUF_NOFF] [VLAN] [OL3_L4_CSUM] [L3_L4_CSUM] */
+			event_dev->txa_enqueue = ssogws_dual_tx_adptr_enq_seg
+				[!!(dev->tx_offloads & NIX_TX_OFFLOAD_TSTAMP_F)]
+				[!!(dev->tx_offloads &
+						NIX_TX_OFFLOAD_MBUF_NOFF_F)]
+				[!!(dev->tx_offloads &
+						NIX_TX_OFFLOAD_VLAN_QINQ_F)]
+				[!!(dev->tx_offloads &
+						NIX_TX_OFFLOAD_OL3_OL4_CSUM_F)]
+				[!!(dev->tx_offloads &
+						NIX_TX_OFFLOAD_L3_L4_CSUM_F)];
+		} else {
+			event_dev->txa_enqueue = ssogws_dual_tx_adptr_enq
+				[!!(dev->tx_offloads & NIX_TX_OFFLOAD_TSTAMP_F)]
+				[!!(dev->tx_offloads &
+						NIX_TX_OFFLOAD_MBUF_NOFF_F)]
+				[!!(dev->tx_offloads &
+						NIX_TX_OFFLOAD_VLAN_QINQ_F)]
+				[!!(dev->tx_offloads &
+						NIX_TX_OFFLOAD_OL3_OL4_CSUM_F)]
+				[!!(dev->tx_offloads &
+						NIX_TX_OFFLOAD_L3_L4_CSUM_F)];
+		}
 	}
 	rte_mb();
 }
@@ -1413,6 +1488,10 @@ static struct rte_eventdev_ops otx2_sso_ops = {
 	.eth_rx_adapter_start = otx2_sso_rx_adapter_start,
 	.eth_rx_adapter_stop = otx2_sso_rx_adapter_stop,
 
+	.eth_tx_adapter_caps_get = otx2_sso_tx_adapter_caps_get,
+	.eth_tx_adapter_queue_add = otx2_sso_tx_adapter_queue_add,
+	.eth_tx_adapter_queue_del = otx2_sso_tx_adapter_queue_del,
+
 	.timer_adapter_caps_get = otx2_tim_caps_get,
 
 	.xstats_get       = otx2_sso_xstats_get,
diff --git a/drivers/event/octeontx2/otx2_evdev.h b/drivers/event/octeontx2/otx2_evdev.h
index 2df9ec468..9c9718f6f 100644
--- a/drivers/event/octeontx2/otx2_evdev.h
+++ b/drivers/event/octeontx2/otx2_evdev.h
@@ -8,6 +8,7 @@
 #include <rte_eventdev.h>
 #include <rte_eventdev_pmd.h>
 #include <rte_event_eth_rx_adapter.h>
+#include <rte_event_eth_tx_adapter.h>
 
 #include "otx2_common.h"
 #include "otx2_dev.h"
@@ -21,6 +22,7 @@
 #define OTX2_SSO_MAX_VHGRP                  RTE_EVENT_MAX_QUEUES_PER_DEV
 #define OTX2_SSO_MAX_VHWS                   (UINT8_MAX)
 #define OTX2_SSO_FC_NAME                    "otx2_evdev_xaq_fc"
+#define OTX2_SSO_SQB_LIMIT                  (0x180)
 #define OTX2_SSO_XAQ_SLACK                  (8)
 #define OTX2_SSO_XAQ_CACHE_CNT              (0x7)
 
@@ -133,6 +135,7 @@ struct otx2_sso_evdev {
 	rte_iova_t fc_iova;
 	struct rte_mempool *xaq_pool;
 	uint64_t rx_offloads;
+	uint64_t tx_offloads;
 	uint16_t rx_adptr_pool_cnt;
 	uint32_t adptr_xae_cnt;
 	uint64_t *rx_adptr_pools;
@@ -323,6 +326,22 @@ uint16_t otx2_ssogws_dual_deq_seg_timeout_burst_ ##name(void *port,	       \
 SSO_RX_ADPTR_ENQ_FASTPATH_FUNC
 #undef R
 
+#define T(name, f4, f3, f2, f1, f0, sz, flags)				     \
+uint16_t otx2_ssogws_tx_adptr_enq_ ## name(void *port, struct rte_event ev[],\
+					   uint16_t nb_events);		     \
+uint16_t otx2_ssogws_tx_adptr_enq_seg_ ## name(void *port,		     \
+					       struct rte_event ev[],	     \
+					       uint16_t nb_events);	     \
+uint16_t otx2_ssogws_dual_tx_adptr_enq_ ## name(void *port,		     \
+						struct rte_event ev[],	     \
+						uint16_t nb_events);	     \
+uint16_t otx2_ssogws_dual_tx_adptr_enq_seg_ ## name(void *port,		     \
+						    struct rte_event ev[],   \
+						    uint16_t nb_events);     \
+
+SSO_TX_ADPTR_ENQ_FASTPATH_FUNC
+#undef T
+
 void sso_updt_xae_cnt(struct otx2_sso_evdev *dev, void *data,
 		      uint32_t event_type);
 int sso_xae_reconfigure(struct rte_eventdev *event_dev);
@@ -342,6 +361,19 @@ int otx2_sso_rx_adapter_start(const struct rte_eventdev *event_dev,
 			      const struct rte_eth_dev *eth_dev);
 int otx2_sso_rx_adapter_stop(const struct rte_eventdev *event_dev,
 			     const struct rte_eth_dev *eth_dev);
+int otx2_sso_tx_adapter_caps_get(const struct rte_eventdev *dev,
+				 const struct rte_eth_dev *eth_dev,
+				 uint32_t *caps);
+int otx2_sso_tx_adapter_queue_add(uint8_t id,
+				  const struct rte_eventdev *event_dev,
+				  const struct rte_eth_dev *eth_dev,
+				  int32_t tx_queue_id);
+
+int otx2_sso_tx_adapter_queue_del(uint8_t id,
+				  const struct rte_eventdev *event_dev,
+				  const struct rte_eth_dev *eth_dev,
+				  int32_t tx_queue_id);
+
 /* Clean up API's */
 typedef void (*otx2_handle_event_t)(void *arg, struct rte_event ev);
 void ssogws_flush_events(struct otx2_ssogws *ws, uint8_t queue_id,
diff --git a/drivers/event/octeontx2/otx2_evdev_adptr.c b/drivers/event/octeontx2/otx2_evdev_adptr.c
index 883bd1cdf..55831a733 100644
--- a/drivers/event/octeontx2/otx2_evdev_adptr.c
+++ b/drivers/event/octeontx2/otx2_evdev_adptr.c
@@ -349,3 +349,89 @@ otx2_sso_rx_adapter_stop(const struct rte_eventdev *event_dev,
 
 	return 0;
 }
+
+int
+otx2_sso_tx_adapter_caps_get(const struct rte_eventdev *dev,
+			     const struct rte_eth_dev *eth_dev, uint32_t *caps)
+{
+	int ret;
+
+	RTE_SET_USED(dev);
+	ret = strncmp(eth_dev->device->driver->name, "net_octeontx2,", 13);
+	if (ret)
+		*caps = 0;
+	else
+		*caps = RTE_EVENT_ETH_TX_ADAPTER_CAP_INTERNAL_PORT;
+
+	return 0;
+}
+
+static int
+sso_sqb_aura_limit_edit(struct rte_mempool *mp, uint16_t nb_sqb_bufs)
+{
+	struct otx2_npa_lf *npa_lf = otx2_intra_dev_get_cfg()->npa_lf;
+	struct npa_aq_enq_req *aura_req;
+
+	aura_req = otx2_mbox_alloc_msg_npa_aq_enq(npa_lf->mbox);
+	aura_req->aura_id = npa_lf_aura_handle_to_aura(mp->pool_id);
+	aura_req->ctype = NPA_AQ_CTYPE_AURA;
+	aura_req->op = NPA_AQ_INSTOP_WRITE;
+
+	aura_req->aura.limit = nb_sqb_bufs;
+	aura_req->aura_mask.limit = ~(aura_req->aura_mask.limit);
+
+	return otx2_mbox_process(npa_lf->mbox);
+}
+
+int
+otx2_sso_tx_adapter_queue_add(uint8_t id, const struct rte_eventdev *event_dev,
+			      const struct rte_eth_dev *eth_dev,
+			      int32_t tx_queue_id)
+{
+	struct otx2_eth_dev *otx2_eth_dev = eth_dev->data->dev_private;
+	struct otx2_sso_evdev *dev = sso_pmd_priv(event_dev);
+	struct otx2_eth_txq *txq;
+	int i;
+
+	RTE_SET_USED(id);
+	if (tx_queue_id < 0) {
+		for (i = 0 ; i < eth_dev->data->nb_tx_queues; i++) {
+			txq = eth_dev->data->tx_queues[i];
+			sso_sqb_aura_limit_edit(txq->sqb_pool,
+						OTX2_SSO_SQB_LIMIT);
+		}
+	} else {
+		txq = eth_dev->data->tx_queues[tx_queue_id];
+		sso_sqb_aura_limit_edit(txq->sqb_pool, OTX2_SSO_SQB_LIMIT);
+	}
+
+	dev->tx_offloads |= otx2_eth_dev->tx_offload_flags;
+	sso_fastpath_fns_set((struct rte_eventdev *)(uintptr_t)event_dev);
+
+	return 0;
+}
+
+int
+otx2_sso_tx_adapter_queue_del(uint8_t id, const struct rte_eventdev *event_dev,
+			      const struct rte_eth_dev *eth_dev,
+			      int32_t tx_queue_id)
+{
+	struct otx2_eth_txq *txq;
+	int i;
+
+	RTE_SET_USED(id);
+	RTE_SET_USED(eth_dev);
+	RTE_SET_USED(event_dev);
+	if (tx_queue_id < 0) {
+		for (i = 0 ; i < eth_dev->data->nb_tx_queues; i++) {
+			txq = eth_dev->data->tx_queues[i];
+			sso_sqb_aura_limit_edit(txq->sqb_pool,
+						txq->nb_sqb_bufs);
+		}
+	} else {
+		txq = eth_dev->data->tx_queues[tx_queue_id];
+		sso_sqb_aura_limit_edit(txq->sqb_pool, txq->nb_sqb_bufs);
+	}
+
+	return 0;
+}
diff --git a/drivers/event/octeontx2/otx2_worker.c b/drivers/event/octeontx2/otx2_worker.c
index ea2d0b5a4..cd14cd3d2 100644
--- a/drivers/event/octeontx2/otx2_worker.c
+++ b/drivers/event/octeontx2/otx2_worker.c
@@ -267,6 +267,35 @@ otx2_ssogws_enq_fwd_burst(void *port, const struct rte_event ev[],
 	return 1;
 }
 
+#define T(name, f4, f3, f2, f1, f0, sz, flags)				\
+uint16_t __hot								\
+otx2_ssogws_tx_adptr_enq_ ## name(void *port, struct rte_event ev[],	\
+				  uint16_t nb_events)			\
+{									\
+	struct otx2_ssogws *ws = port;					\
+	uint64_t cmd[sz];						\
+									\
+	RTE_SET_USED(nb_events);					\
+	return otx2_ssogws_event_tx(ws, ev, cmd, flags);		\
+}
+SSO_TX_ADPTR_ENQ_FASTPATH_FUNC
+#undef T
+
+#define T(name, f4, f3, f2, f1, f0, sz, flags)				\
+uint16_t __hot								\
+otx2_ssogws_tx_adptr_enq_seg_ ## name(void *port, struct rte_event ev[],\
+				      uint16_t nb_events)		\
+{									\
+	struct otx2_ssogws *ws = port;					\
+	uint64_t cmd[(sz) + NIX_TX_MSEG_SG_DWORDS - 2];			\
+									\
+	RTE_SET_USED(nb_events);					\
+	return otx2_ssogws_event_tx(ws, ev, cmd, (flags) |		\
+				    NIX_TX_MULTI_SEG_F);		\
+}
+SSO_TX_ADPTR_ENQ_FASTPATH_FUNC
+#undef T
+
 void
 ssogws_flush_events(struct otx2_ssogws *ws, uint8_t queue_id, uintptr_t base,
 		    otx2_handle_event_t fn, void *arg)
diff --git a/drivers/event/octeontx2/otx2_worker.h b/drivers/event/octeontx2/otx2_worker.h
index 1e1e947ef..3c847d223 100644
--- a/drivers/event/octeontx2/otx2_worker.h
+++ b/drivers/event/octeontx2/otx2_worker.h
@@ -219,4 +219,53 @@ otx2_ssogws_swtag_wait(struct otx2_ssogws *ws)
 #endif
 }
 
+static __rte_always_inline void
+otx2_ssogws_head_wait(struct otx2_ssogws *ws, const uint8_t wait_flag)
+{
+	while (wait_flag && !(otx2_read64(ws->tag_op) & BIT_ULL(35)))
+		;
+
+	rte_cio_wmb();
+}
+
+static __rte_always_inline const struct otx2_eth_txq *
+otx2_ssogws_xtract_meta(struct rte_mbuf *m)
+{
+	return rte_eth_devices[m->port].data->tx_queues[
+			rte_event_eth_tx_adapter_txq_get(m)];
+}
+
+static __rte_always_inline void
+otx2_ssogws_prepare_pkt(const struct otx2_eth_txq *txq, struct rte_mbuf *m,
+			uint64_t *cmd, const uint32_t flags)
+{
+	otx2_lmt_mov(cmd, txq->cmd, otx2_nix_tx_ext_subs(flags));
+	otx2_nix_xmit_prepare(m, cmd, flags);
+}
+
+static __rte_always_inline uint16_t
+otx2_ssogws_event_tx(struct otx2_ssogws *ws, struct rte_event ev[],
+		     uint64_t *cmd, const uint32_t flags)
+{
+	struct rte_mbuf *m = ev[0].mbuf;
+	const struct otx2_eth_txq *txq = otx2_ssogws_xtract_meta(m);
+
+	otx2_ssogws_head_wait(ws, !ev->sched_type);
+	otx2_ssogws_prepare_pkt(txq, m, cmd, flags);
+
+	if (flags & NIX_TX_MULTI_SEG_F) {
+		const uint16_t segdw = otx2_nix_prepare_mseg(m, cmd, flags);
+		otx2_nix_xmit_prepare_tstamp(cmd, &txq->cmd[0],
+					     m->ol_flags, segdw, flags);
+		otx2_nix_xmit_mseg_one(cmd, txq->lmt_addr, txq->io_addr, segdw);
+	} else {
+		/* Passing no of segdw as 4: HDR + EXT + SG + SMEM */
+		otx2_nix_xmit_prepare_tstamp(cmd, &txq->cmd[0],
+					     m->ol_flags, 4, flags);
+		otx2_nix_xmit_one(cmd, txq->lmt_addr, txq->io_addr, flags);
+	}
+
+	return 1;
+}
+
 #endif
diff --git a/drivers/event/octeontx2/otx2_worker_dual.c b/drivers/event/octeontx2/otx2_worker_dual.c
index cbe03c1bb..37c274a54 100644
--- a/drivers/event/octeontx2/otx2_worker_dual.c
+++ b/drivers/event/octeontx2/otx2_worker_dual.c
@@ -305,3 +305,38 @@ otx2_ssogws_dual_deq_seg_timeout_burst_ ##name(void *port,		\
 
 SSO_RX_ADPTR_ENQ_FASTPATH_FUNC
 #undef R
+
+#define T(name, f4, f3, f2, f1, f0, sz, flags)				\
+uint16_t __hot								\
+otx2_ssogws_dual_tx_adptr_enq_ ## name(void *port,			\
+				       struct rte_event ev[],		\
+				       uint16_t nb_events)		\
+{									\
+	struct otx2_ssogws_dual *ws = port;				\
+	struct otx2_ssogws *vws =					\
+		(struct otx2_ssogws *)&ws->ws_state[!ws->vws];		\
+	uint64_t cmd[sz];						\
+									\
+	RTE_SET_USED(nb_events);					\
+	return otx2_ssogws_event_tx(vws, ev, cmd, flags);		\
+}
+SSO_TX_ADPTR_ENQ_FASTPATH_FUNC
+#undef T
+
+#define T(name, f4, f3, f2, f1, f0, sz, flags)				\
+uint16_t __hot								\
+otx2_ssogws_dual_tx_adptr_enq_seg_ ## name(void *port,			\
+					   struct rte_event ev[],	\
+					   uint16_t nb_events)		\
+{									\
+	struct otx2_ssogws_dual *ws = port;				\
+	struct otx2_ssogws *vws =					\
+		(struct otx2_ssogws *)&ws->ws_state[!ws->vws];		\
+	uint64_t cmd[(sz) + NIX_TX_MSEG_SG_DWORDS - 2];			\
+									\
+	RTE_SET_USED(nb_events);					\
+	return otx2_ssogws_event_tx(vws, ev, cmd, (flags) |		\
+				    NIX_TX_MULTI_SEG_F);		\
+}
+SSO_TX_ADPTR_ENQ_FASTPATH_FUNC
+#undef T
-- 
2.22.0


  parent reply	other threads:[~2019-07-03 10:05 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-03 10:04 [dpdk-dev] [PATCH v3 0/6] event/octeontx2: add Rx/Tx adapter support pbhagavatula
2019-07-03 10:04 ` [dpdk-dev] [PATCH v3 1/6] event/octeontx2: add event eth Rx " pbhagavatula
2019-07-03 10:12   ` Jerin Jacob Kollanukkaran
2019-07-03 10:04 ` [dpdk-dev] [PATCH v3 2/6] event/octeontx2: resize SSO inflight event buffers pbhagavatula
2019-07-03 10:04 ` [dpdk-dev] [PATCH v3 3/6] event/octeontx2: add event eth Rx adapter fastpath ops pbhagavatula
2019-07-03 10:04 ` [dpdk-dev] [PATCH v3 4/6] event/octeontx2: add PTP support for SSO pbhagavatula
2019-07-03 10:04 ` pbhagavatula [this message]
2019-07-03 10:04 ` [dpdk-dev] [PATCH v3 6/6] doc: update Marvell OCTEON TX2 documentation pbhagavatula

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190703100430.716-6-pbhagavatula@marvell.com \
    --to=pbhagavatula@marvell.com \
    --cc=dev@dpdk.org \
    --cc=jerinj@marvell.com \
    --cc=ndabilpuram@marvell.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).