| Line 99... |
Line 99... |
//-----------------------------
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//-----------------------------
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// output status
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// output status
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//-----------------------------
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//-----------------------------
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output [11:0] pkt_len; // Packet Length
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output [11:0] pkt_len; // Packet Length
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output pkt_done; // Packet Processing done indication
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output pkt_done; // Packet Processing done indication
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output [6:0] pkt_status; // packet processing status
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output [15:0] pkt_status; // packet processing status
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// [1:0] - MAC-DA
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// [1:0] - MAC-DA
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// 2'b00 - Broadcast frame
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// 2'b00 - Broadcast frame
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// 2'b01 - Multicast frame
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// 2'b01 - Multicast frame
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// 2'b10 - unicast frame, other than local DA
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// 2'b10 - unicast frame, other than local DA
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// 2'b11 - unicast local DA frame
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// 2'b11 - unicast local DA frame
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| Line 131... |
Line 131... |
// [7] - L4 Check Sum Error
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// [7] - L4 Check Sum Error
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|
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reg [11:0] bcnt ; // Byte counter
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reg [11:0] bcnt ; // Byte counter
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reg [11:0] pkt_len ; // packet length
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reg [11:0] pkt_len ; // packet length
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reg pkt_done ; // packet complete indication + Packet Status Valid
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reg pkt_done ; // packet complete indication + Packet Status Valid
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reg pkt_drop_ind ;
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|
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always @(s_reset_n or posedge app_clk) begin
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always @(s_reset_n or posedge app_clk) begin
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if(s_reset_n == 1'b0) begin
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if(s_reset_n == 1'b0) begin
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bcnt <= 0;
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bcnt <= 0;
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pkt_len <= 0;
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pkt_len <= 0;
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pkt_done <= 0;
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pkt_done <= 0;
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pkt_drop_ind <= 0;
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end
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end
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else begin
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else begin
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if(dval) begin
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if(dval) begin
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if(eop) begin
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if(eop) begin
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bcnt <= 0;
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bcnt <= 0;
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| Line 166... |
Line 169... |
reg arpf ; // frame is arp
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reg arpf ; // frame is arp
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reg tcpf ; // frame is tcp
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reg tcpf ; // frame is tcp
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reg udpf ; // frame is udp
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reg udpf ; // frame is udp
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reg ip_sa_match ; // ip4 sa matches to local IP Address
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reg ip_sa_match ; // ip4 sa matches to local IP Address
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reg ip_da_match ; // ip4 da matches to local IP Address
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reg ip_da_match ; // ip4 da matches to local IP Address
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reg[6:0] pkt_status ; // Packet Status
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reg[15:0] pkt_status ; // Packet Status
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|
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always @(s_reset_n or posedge app_clk) begin
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always @(s_reset_n or posedge app_clk) begin
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if(s_reset_n == 1'b0) begin
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if(s_reset_n == 1'b0) begin
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mac_da_bc <= 0;
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mac_da_bc <= 0;
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mac_da_mc <= 0;
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mac_da_mc <= 0;
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