[qca-nss-drv] Enable the transfer of packet priority from NSS to host.

Change-Id: I9ab742de3969529ddbf2ee66e45d7bf4aeca7703
Signed-off-by: Sakthi Vignesh Radhakrishnan <sradhakr@codeaurora.org>
diff --git a/nss_core.c b/nss_core.c
index ebefbc8..99c83b5 100644
--- a/nss_core.c
+++ b/nss_core.c
@@ -547,6 +547,7 @@
 	printk("\tbuffer_len = %d\n", desc->buffer_len);
 	printk("\tpayload_offs = %d\n", desc->payload_offs);
 	printk("\tpayload_len = %d\n", desc->payload_len);
+	printk("\tpri = %d\n", desc->pri);
 }
 
 /*
@@ -916,6 +917,7 @@
 		 */
 		nbuf->data_len = payload_len;
 		nbuf->len = payload_len;
+		nbuf->priority = desc->pri;
 		goto pull;
 	}
 
@@ -945,6 +947,7 @@
 		__skb_fill_page_desc(nbuf, 0, skb_frag_page(&skb_shinfo(nbuf)->frags[0]), payload_offs, payload_len);
 		nbuf->data_len = payload_len;
 		nbuf->len = payload_len;
+		nbuf->priority = desc->pri;
 
 		/*
 		 * Set jumbo pointer to nbuf
@@ -1046,6 +1049,8 @@
 			*head_ptr = NULL;
 		}
 
+		nbuf->priority = desc->pri;
+
 		/*
 		 * TODO: Check if there is any issue wrt map and unmap,
 		 * NSS should playaround with data area and should not
@@ -1092,6 +1097,7 @@
 		skb_frag_list_init(nbuf);
 		nbuf->data_len = 0;
 		nbuf->truesize = desc->payload_len;
+		nbuf->priority = desc->pri;
 
 		*head_ptr = nbuf;
 
diff --git a/nss_hlos_if.h b/nss_hlos_if.h
index b9fee95..87acdeb 100644
--- a/nss_hlos_if.h
+++ b/nss_hlos_if.h
@@ -391,7 +391,8 @@
 	uint16_t bit_flags;	/* Bit flags associated with the buffer */
 	uint8_t buffer_type;	/* Type of buffer */
 	uint8_t response_type;	/* Response type if the buffer is a command response */
-	uint16_t reserved[3];	/* Reserved for future use */
+	uint8_t pri;		/* Packet priority */
+	uint8_t reserved[5];	/* Reserved for future use */
 	nss_ptr_t opaque;	/* 32 or 64-bit value provided by the HLOS to associate with the buffer. The cookie has no meaning to the NSS */
 #ifndef __LP64__
 	uint32_t padding;	/* Pad to fit 64 bits, do not reuse */